not count stale games as active games because they will get deletet after ttl expire into redis

server/metrics/ServerMetricsCollector.py

@@ -2,7 +2,6 @@ import time
 
 from server.metrics.MetricsManager import MetricsManager
 
-
 class ServerMetricsCollector:
   def __init__(self, metrics_manager:MetricsManager, game_state_local_cache:bool, metrics_backend:str, game_state_backend:str, stale_game_timeout_sec:int, game_last_seen_unix:dict, game_move_counts:dict,):
     self._manager = metrics_manager
@@ -122,15 +121,23 @@ class ServerMetricsCollector:
     oldest_active_age = (
       max(0, now - min(game_last_seen_unix.values())) if game_last_seen_unix else 0
     )
+
     stale_candidates = sum(
       1
       for last_seen in game_last_seen_unix.values()
       if now - last_seen >= self._stale_game_timeout_sec
     )
 
+    if self._game_state_backend_is_redis:
+      report_stale_candidates = 0
+      report_active_games = len(game_last_seen_unix) - stale_candidates
+    else:
+      report_stale_candidates = stale_candidates
+      report_active_games = len(game_last_seen_unix)
+
     return {
       **self._metrics,
-      'active_games': len(game_last_seen_unix),
+      'active_games': report_active_games,
       'tracked_games': len(game_move_counts),
       'avg_turns_per_game': round(avg_turns, 2),
       'win_rate': round(win_rate, 4),
@@ -139,7 +146,7 @@ class ServerMetricsCollector:
       'move_direction_counts': dict(self._metrics['move_direction_counts']),
       'oldest_active_game_age_sec': oldest_active_age,
       'stale_game_timeout_sec': self._stale_game_timeout_sec,
-      'active_games_stale': stale_candidates,
+      'active_games_stale': report_stale_candidates,
     }
 
   async def build_snapshot(self, game_last_seen_unix:dict, game_move_counts:dict) -> dict: