Fix bug

app.py

@@ -87,8 +87,9 @@ def run_and_submit_all( profile: gr.OAuthProfile | None, question_limit: int | N
                     {'role': 'human', 'content': question_text}
                     ])
             submitted_answer = agent.invoke(init_state)
-            answers_payload.append({"task_id": task_id, "submitted_answer": submitted_answer['history'][-1].content})
-            results_log.append({"Task ID": task_id, "Question": question_text, "Submitted Answer": submitted_answer['history'][-1].content})
+            final_answer = json.load(submitted_answer['history'][-1].content)['final_answer']
+            answers_payload.append({"task_id": task_id, "submitted_answer": final_answer})
+            results_log.append({"Task ID": task_id, "Question": question_text, "Submitted Answer": final_answer})
         except Exception as e:
              print(f"Error running agent on task {task_id}: {e}")
              results_log.append({"Task ID": task_id, "Question": question_text, "Submitted Answer": f"AGENT ERROR: {e}"})