Server:
- POST /groups/:name/leave — remove self from group
- POST /groups/:name/kick — creator can kick members
- GET /groups/:name/members — list with aliases + creator badge
CLI TUI:
- /gleave — leave current group
- /gkick <fp_or_alias> — kick (creator only)
- /gmembers — show member list with aliases and ★ for creator
Web client:
- Same commands: /gleave, /gkick, /gmembers
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>