Групповые звонки

apps/server-net/src/Modules/Chats/Infrastructure/SignalR/ChatHub.cs

@@ -363,6 +363,7 @@ public sealed class ChatHub : Hub
         var userInfo = new ParticipantInfo(userId, username, displayName, avatar);
 
         var participants = _groupCallParticipants.GetOrAdd(chatId, _ => new ConcurrentDictionary<string, ParticipantInfo>());
+        var isFirst = participants.IsEmpty;
         participants.TryAdd(userId, userInfo);
 
         // Notify others
@@ -380,6 +381,17 @@ public sealed class ChatHub : Hub
             chatId = chatId,
             participants = others
         });
+
+        if (isFirst)
+        {
+            await Clients.Group(chatId).SendAsync("group_call_incoming", new
+            {
+                chatId = chatId,
+                from = userId,
+                callerInfo = userInfo,
+                callType = request.CallType
+            });
+        }
     }
 
     [HubMethodName("group_call_leave")]
@@ -393,6 +405,7 @@ public sealed class ChatHub : Hub
             if (participants.IsEmpty)
             {
                 _groupCallParticipants.TryRemove(chatId, out _);
+                await Clients.Group(chatId).SendAsync("group_call_ended", new { chatId = chatId });
             }
         }