The call screen now shows two different layouts depending on
whether the call is a 1:1 direct call or a room/group call:
**Direct call (directCallPeer set):**
- Large centered identicon (96px circular with glow)
- Peer name (22px bold) + fingerprint (11px mono)
- Connection badge: "P2P Direct" (green), "Via Relay" (blue),
or "Connecting..." (yellow) — auto-detected from the
call-debug buffer's dual_path_race_won event
- Room name header shows the peer's alias/fp instead of "general"
- Group participant list is hidden
**Room/group call (directCallPeer null):**
- Existing group participant list layout — unchanged
The badge updates live from pollStatus by scanning the debug
buffer for the connect:dual_path_race_won event. If the path
was "Direct" → green P2P badge; if "Relay" → blue relay badge.
Before the race resolves, shows yellow "Connecting...".
directCallView is cleared on showConnectScreen (call end).
CSS in style.css: .direct-call-view, .dc-identicon, .dc-name,
.dc-fp, .dc-badge with .relay and .connecting modifiers.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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