/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>
Subprocess wrapper for Claude CLI with start/resume/clear sessions, personality system prompt, atomic session tracking. 38 new tests (89 total).
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>