bug fix

app.py

@@ -214,7 +214,7 @@ def create_connected_mode_ui():
                 # Directly call the diagnosis tool for testing
                 diagnosis = DIAGNOSIS_TOOL(file_path)
                 bot_message = f"**Diagnosis:** {diagnosis}"
-                history.append([{"file": file_path}, bot_message])
+                history.append([(file_path,), bot_message])
             else:
                 bot_message = "Please upload an image for diagnosis."
                 history.append([chat_input["text"], bot_message])