fix(ai): 去除服务端收到大模型对话请求时对用户提问的二次重复广播

app/Http/Controllers/ChatBotController.php

@@ -72,22 +72,6 @@ class ChatBotController extends Controller
         $roomId = $request->input('room_id');
 
         try {
-            // 先广播用户的提问消息
-            $userMsg = [
-                'id' => $this->chatState->nextMessageId($roomId),
-                'room_id' => $roomId,
-                'from_user' => $user->username,
-                'to_user' => 'AI小班长',
-                'content' => $message,
-                'is_secret' => false,
-                'font_color' => '#000000',
-                'action' => '',
-                'sent_at' => now()->toDateTimeString(),
-            ];
-            $this->chatState->pushMessage($roomId, $userMsg);
-            broadcast(new MessageSent($roomId, $userMsg));
-            SaveMessageJob::dispatch($userMsg);
-
             $result = $this->aiChat->chat($user->id, $message, $roomId);
 
             $reply = $result['reply'];