Server:
- POST /v1/groups/:name/signal — broadcast plaintext JSON to all
online group members via WS push (for call signals, typing, etc.)
- No auth required (membership validated from 'from' field)
Web client:
- Group call signals now use /signal endpoint (was broken with /send)
- WS handler detects group_call JSON signals early
- Auto-join #ops now properly registers presence + fetches members
- /gmembers resolves ETH addresses via /v1/resolve
- /admin-calls — list all active calls in the system
- /admin-help — list all admin/debug commands
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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