Update app.py

app.py

@@ -977,10 +977,11 @@ def submit_answers(answers, api_url=DEFAULT_API_URL):
     try:
         logger.info(f"Submitting {len(answers)} answers...")
         
-        # FIXED: Send answers directly without wrapping in {"answers": ...}
+        # FIXED: Send answers in a dictionary with "answers" key
+        # The server expects a dictionary/object, not a list
         response = requests.post(
             f"{api_url}/submit",
-            json=answers  # Send the answers list directly
+            json={"answers": answers}  # Wrap answers in a dictionary with "answers" key
         )
         response.raise_for_status()