fix: Hide inactive models from leaderboard

models.py

@@ -323,6 +323,7 @@ def get_leaderboard_data(model_type):
     """
     Get leaderboard data for the specified model type.
     Only includes votes that count for the public leaderboard.
+    Only shows active models.
 
     Args:
         model_type (str): The model type ('tts' or 'conversational')
@@ -330,9 +331,9 @@ def get_leaderboard_data(model_type):
     Returns:
         list: List of dictionaries containing model data for the leaderboard
     """
-    query = Model.query.filter_by(model_type=model_type)
+    query = Model.query.filter_by(model_type=model_type, is_active=True)
 
-    # Get models with >0 votes ordered by ELO score (한국어 TTS Arena는 새로 시작하므로 임계값 제거)
+    # Get active models with >0 votes ordered by ELO score
     # Note: Model.match_count now only includes votes that count for public leaderboard
     models = query.filter(Model.match_count > 0).order_by(Model.current_elo.desc()).all()