update feature & bugfix

scripts/managers/ui_manager.gd

@@ -205,7 +205,8 @@ func set_local_player(player):
 
 func _connect_powerup_manager_deferred(player):
 	"""Wait for PowerUpManager to be initialized before connecting."""
-	await player.get_tree().create_timer(0.3).timeout
+	# player._ready waits 0.5s before creating managers, so wait longer
+	await player.get_tree().create_timer(0.8).timeout
 	
 	var powerup_manager = player.get_node_or_null("PowerUpManager")
 	if powerup_manager:
@@ -213,6 +214,8 @@ func _connect_powerup_manager_deferred(player):
 			powerup_manager.points_changed.connect(_on_powerup_points_changed)
 		# Initialize bar with current values
 		update_powerup_bar(powerup_manager.get_points(), powerup_manager.get_max_points())
+	else:
+		push_warning("[UIManager] PowerUpManager not found on player after 0.8s wait")
 
 # =============================================================================
 # Power-Up Bar UI (Battery Style)