Update app.py

app.py

@@ -445,14 +445,16 @@ with gr.Blocks() as demo_leaderboard:
 def toggle_all_categories(action: str, shown_columns_dict: dict):
     """全カテゴリーのチェックボックスを一括制御する関数"""
     results = []
-    for task_type in TaskType:  # NotTaskも含めて処理
+    for task_type in TaskType:
         if task_type == TaskType.NotTask:
-            # Model detailsカテゴリーの処理
+            # Model detailsの場合は既存の選択状態を維持
             results.append([
                 c.name
                 for c in fields(AutoEvalColumn)
-                if not c.hidden and not c.never_hidden and not c.dummy and c.task_type == task_type
-            ] if action == "all" else [])
+                if not c.hidden and not c.never_hidden and not c.dummy 
+                and c.task_type == task_type
+                and c.displayed_by_default  # デフォルトの表示状態を維持
+            ])
         else:
             if action == "all":
                 # 全選択