Upload app.py

app.py

@@ -1012,7 +1012,8 @@ def chatbot_respond(user_text, history, session):
             bot = f"{info}\n\nWould you like navigation to {ROOM_INFO[info_room]} (Room {info_room})?"
             session["last_referenced_room"] = info_room
             session["last_dest_room"] = info_room
-            history.append((user_text, bot))
+            history.append({"role": "user", "content": user_text})
+            history.append({"role": "assistant", "content": bot})
             try:
                 gTTS(bot).save("/content/voice.mp3")
             except Exception:
@@ -1453,10 +1454,12 @@ with gr.Blocks(
             gr.HTML("<div style='color:#00d4ff;font-family:monospace;font-size:13px;margin-bottom:16px'>Chat with the mall AI assistant</div>")
 
             chatbot_widget = gr.Chatbot(
-                label="SmartMall Assistant",
-                height=480,
-                value=[("", "👋 Welcome to SmartMall! I can help you navigate, find products, or answer any questions. How can I help?")],
-            )
+            label="SmartMall Assistant",
+            height=480,
+            value=[
+                {"role": "assistant", "content": "👋 Welcome to SmartMall! I can help you navigate, find products, or answer any questions. How can I help?"}
+            ],
+        )
 
             with gr.Row():
                 chat_msg = gr.Textbox(placeholder="Ask me anything about the mall...", label="Message", scale=4)