fix: improve NHL data fetching and caching - make cache_manager class attribute, reduce live update to 15s, bypass cache for live games

src/nhl_managers.py

@@ -78,6 +78,7 @@ class BaseNHLManager:
     _warning_cooldown = 60  # Only log warnings once per minute
     _shared_data = None
     _last_shared_update = 0
+    cache_manager = CacheManager()  # Make cache_manager a class attribute
     
     def __init__(self, config: Dict[str, Any], display_manager: DisplayManager):
         self.display_manager = display_manager
@@ -93,7 +94,6 @@ class BaseNHLManager:
         self.favorite_teams = self.nhl_config.get("favorite_teams", [])
         self.logger = logging.getLogger('NHL')
         self.recent_hours = self.nhl_config.get("recent_game_hours", 48)  # Default 48 hours
-        self.cache_manager = CacheManager()  # Initialize cache manager
         
         # Set logging level to INFO to reduce noise
         self.logger.setLevel(logging.INFO)