/model (show/change), /restart (owner), /logs, set_session_model API, model reset on /clear. 20 new tests (161 total). Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Message router, typing indicator, emoji reactions, auto start/resume sessions, message splitting >2000 chars. 34 new tests (141 total). Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>