Settings now shows relay list with:
- Visual list of all configured relays
- Active relay highlighted in green with "ACTIVE" badge
- Tap a relay to switch (deregisters + reconnects automatically)
- X button to remove a relay (keeps at least 1)
- Add relay with name + address inputs
- Reconnect flow: deregister → clear lobby → auto-connect to new relay
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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