remove stale w/l calculation

utils/leaderboard.py

@@ -394,8 +394,11 @@ def submit_vote_with_elo(m_a, m_b, winner, feedback, current_results):
         print("Warning: Submit called without a winner selected.")
         return {}
 
+    # Current results could be stale, reload from latest copy on non-persistent storage:
+    recent_results = load_leaderboard_data()
+
     # Update Elo ratings
-    updated_results = update_elo_ratings(current_results.copy(), m_a, m_b, winner)
+    updated_results = update_elo_ratings(recent_results.copy(), m_a, m_b, winner)
 
     # Update vote count
     updated_results["votes"] = updated_results.get("votes", 0) + 1