Fix overlay timer API: use web_dashboard.current_timer_state instead of games_thread

mbetterclient/web_dashboard/routes.py

@@ -10856,11 +10856,12 @@ def get_overlay_timer():
         
         timer_state = {"running": False, "remaining_seconds": 0}
         
-        # Try to get timer state from games thread
+        # Try to get timer state from web_dashboard (where it's actually stored)
         if main_app:
-            games_thread = getattr(main_app, 'games_thread', None)
-            if games_thread and hasattr(games_thread, 'timer_state'):
-                timer_state = games_thread.timer_state.copy()
+            web_dashboard = getattr(main_app, 'web_dashboard', None)
+            if web_dashboard and hasattr(web_dashboard, 'current_timer_state'):
+                timer_state = web_dashboard.current_timer_state.copy()
+                logger.debug(f"[OVERLAY TIMER] Returning timer state: {timer_state}")
         
         return jsonify(timer_state)