config.py and public.py import get_api_key_auth/get_all_api_keys/
create_api_key/revoke_api_key/delete_api_key — the public-API key
system is app-local (api_keys table), not part of the central auth
that was replaced, so it should have been kept in the port.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Python FastAPI ML backend kept intact; auth replaced with central hnf_session cookie verification. Frontend rebuilt on React 18 + TS + Vite with stack design system, Plotly charts retained. Shared Postgres via DATABASE_URL; schema applied on startup.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>