Tech: React + React Router 7, Tailwind, server-sent events (in-memory pub/sub), SQLite, Bun.

Recent changes: room inactivity timeout, connection-lost overlay, editable/custom scales, lock room, rounds history.

Privacy: no tracking/ads, optional login via magic link. Guest sessions work, data for guests is temporary. Hosted on Hetzner (Finland).

Happy to answer perf/security/UX nits