🐛 Bug fixes of webrtc

lib/pods/chat/webrtc_manager.dart

@@ -55,7 +55,7 @@ class WebRTCManager {
     try {
       _localStream = await navigator.mediaDevices.getUserMedia({
         'audio': true,
-        'video': false,
+        'video': true,
       });
       talker.info('[WebRTC] Local stream initialized');
     } catch (e) {
@@ -263,6 +263,12 @@ class WebRTCManager {
         track.enabled = enabled;
       }
     }
+
+    // Update audio enabled state for all participants (they share the same local stream)
+    for (final participant in _participants.values) {
+      participant.isAudioEnabled = enabled;
+      _participantController.add(participant);
+    }
   }
 
   Future<void> toggleCamera(bool enabled) async {
@@ -271,6 +277,12 @@ class WebRTCManager {
         track.enabled = enabled;
       });
     }
+
+    // Update video enabled state for all participants (they share the same local stream)
+    for (final participant in _participants.values) {
+      participant.isVideoEnabled = enabled;
+      _participantController.add(participant);
+    }
   }
 
   List<WebRTCParticipant> get participants => _participants.values.toList();