uv pip install --no-deps . uses setuptools auto-discovery which finds
both backend/ and frontend/ and refuses to build. Explicitly limit
discovery to backend* so the dist-info registers correctly without
pulling in the frontend static files.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_018ZejtLjEMPkvbJ26aWoTvw