Skip entries with hide_from_leaderboard=True

Filter out models from the leaderboard when their metadata has
hide_from_leaderboard set to true. This allows hiding models that
shouldn't be displayed (e.g., due to lack of comparable models
in similar size classes).

Co-authored-by: openhands <openhands@all-hands.dev>

simple_data_loader.py

@@ -151,6 +151,11 @@ class SimpleLeaderboardViewer:
             if metadata is None or scores is None:
                 continue
             
+            # Skip entries that are hidden from the leaderboard
+            if metadata.get('hide_from_leaderboard', False):
+                logger.info(f"Skipping {agent_dir.name}: hide_from_leaderboard is True")
+                continue
+            
             # Create one record per benchmark (mimicking old JSONL format)
             for score_entry in scores:
                 record = {