update

RobotApp/Hubs/RobotHub.cs

@@ -21,8 +21,8 @@ namespace RobotApp.Hubs
         // Phương thức này sẽ được gọi từ service để broadcast
         public async Task SendState(string serialNumber, StateMsg state)
         {
-            var json = JsonSerializer.Serialize(state, JsonOptionExtends.Write);
-            await Clients.Group(serialNumber).SendAsync("ReceiveState", json);
+            //var json = JsonSerializer.Serialize(state, JsonOptionExtends.Write);
+            await Clients.Group(serialNumber).SendAsync("ReceiveState", state);
         }
     }
 }

RobotApp/Hubs/RobotMonitorHub.cs

@@ -12,3 +12,7 @@ public class RobotMonitorHub : Hub
 
 
 
+
+
+
+