Update main.py

main.py

@@ -50,9 +50,14 @@ def upload_protocol_file(filepath: str) -> str:
 
 def send_message(text, history):
     text = (text or "").strip()
+    history = history or []
+
     if not text:
         return history
 
+    # user message
+    history.append({"role": "user", "content": text})
+
     fd, path = tempfile.mkstemp(prefix="protocol_", suffix=".py")
     try:
         with os.fdopen(fd, "w", encoding="utf-8") as f:
@@ -64,14 +69,18 @@ def send_message(text, history):
         except OSError:
             pass
 
-    history.append((text, result))
+    # assistant message
+    history.append({"role": "assistant", "content": result})
     return history
 
 with gr.Blocks() as app:
     gr.Markdown("## Opentrons Protocol Analyzer")
     textbox = gr.Textbox(lines=12, label="Paste protocol Python code")
     send_button = gr.Button(value="Analyze")
-    chatbot = gr.Chatbot(label="Results", type="tuple")  # ← ここ重要
+
+    # 旧Gradioでも動きやすい：余計な引数を渡さない
+    chatbot = gr.Chatbot(label="Results")
+
     clear_button = gr.ClearButton([textbox, chatbot])
 
     send_button.click(send_message, [textbox, chatbot], [chatbot])