feat: Add TURN server support

toju-app/src/app/infrastructure/realtime/peer-connection-manager/connection/create-peer-connection.ts

@@ -4,7 +4,6 @@ import {
   CONNECTION_STATE_DISCONNECTED,
   CONNECTION_STATE_FAILED,
   DATA_CHANNEL_LABEL,
-  ICE_SERVERS,
   SIGNALING_TYPE_ICE_CANDIDATE,
   TRACK_KIND_AUDIO,
   TRACK_KIND_VIDEO,
@@ -28,7 +27,7 @@ export function createPeerConnection(
 
   logger.info('Creating peer connection', { remotePeerId, isInitiator });
 
-  const connection = new RTCPeerConnection({ iceServers: ICE_SERVERS });
+  const connection = new RTCPeerConnection({ iceServers: callbacks.getIceServers() });
 
   let dataChannel: RTCDataChannel | null = null;
   let peerData: PeerData | null = null;

toju-app/src/app/infrastructure/realtime/peer-connection-manager/shared.ts

@@ -29,6 +29,8 @@ export interface PeerConnectionCallbacks {
   isScreenSharingActive(): boolean;
   /** Whether the local camera is active. */
   isCameraEnabled(): boolean;
+  /** Returns the user-configured ICE servers for peer connection creation. */
+  getIceServers(): RTCIceServer[];
 }
 
 export interface PeerConnectionManagerState {