Add dual license (AGPL-3.0 + Commercial) and copyright notices

Reduce max concurrent users from 5 to 2 (cpu-basic OOM prevention)

Add per-user model saving, forum persistence, sidebar/header sticky, session timeout 30min

Add HTML report, cross-validation, admin analytics, auto-adaptive data, Slowbro pill fix

MUCHE member auth, donation buttons, concurrent login ban

Redesign waiting room: Slowpoke illustration, queue info, timeout policy

Add full Streamlit app, auth, queue, community, and deployment config