refactor external clients

put model batch size as parameter in config

Azaion.CommonSecurity/DTO/Commands/RemoteCommand.cs

@@ -11,10 +11,10 @@ public class RemoteCommand(CommandType commandType, byte[]? data = null)
     [Key("Data")]
     public byte[]? Data { get; set; } = data;
 
-    public static byte[] Serialize<T>(CommandType commandType, T data) where T : class
+    public static RemoteCommand Create<T>(CommandType commandType, T data) where T : class
     {
         var dataBytes = MessagePackSerializer.Serialize(data);
-        return MessagePackSerializer.Serialize(new RemoteCommand(commandType, dataBytes ));
+        return new RemoteCommand(commandType, dataBytes);
     }
 }