Update app.py

app.py

@@ -4,18 +4,11 @@ import agent
 
 # --------- Hàm xử lý chat ----------
 def respond(user_message, chat_history):
-    if not user_message:
+    if not user_message or not user_message:
         return chat_history, gr.update(value="")
-    
-    # Thêm tin nhắn user
-    chat_history.append({"role": "user", "content": user_message})
-    
-    # Lấy phản hồi từ agent
-    bot_reply = agent.chat_with_agent(user_message)
-    
-    # Thêm tin nhắn bot
-    chat_history.append({"role": "assistant", "content": bot_reply})
-    
+    user_bubble = f"{user_message}🧑"
+    bot_reply = f"🤖 {agent.chat_with_agent(user_message)}"
+    chat_history = chat_history + [(user_bubble, bot_reply)]
     return chat_history, gr.update(value="")
 
 def clear_chat():
@@ -37,7 +30,6 @@ with gr.Blocks(theme=gr.themes.Default()) as demo:
 
 
     chatbot = gr.Chatbot(
-        type="messages",
         label="Chatbot",
         height=420,
         # show_copy_button=True,   # cho phép copy nội dung nhanh