fix: dead player ragdoll no longer triggers leaving the combat area

entities/combat_area.gd

@@ -18,6 +18,12 @@ func _ready() -> void:
 	
 func _process(delta: float) -> void:
 	if _player_out_of_bounds:
+		# If the player dies while out of bounds, stop the timer and remove the UI
+		if "is_dead" in _player_out_of_bounds and _player_out_of_bounds.is_dead:
+			_player_out_of_bounds = null
+			_remove_ui()
+			return
+		
 		# Player is outside the combat area!
 		time_left -= delta
 		if time_left <= 0.0:
@@ -39,6 +45,12 @@ func _process(delta: float) -> void:
 
 func _on_body_exited(body: Node3D) -> void:
 	if body.name == "Player":
+		# Don't trigger if the player is already dead or the scene is tearing down
+		if "is_dead" in body and body.is_dead:
+			return
+		if body.is_queued_for_deletion() or not is_inside_tree():
+			return
+			
 		_player_out_of_bounds = body
 		time_safe = 0.0 # Reset recovery timer
 		_create_ui()
@@ -74,7 +86,8 @@ func _create_ui() -> void:
 	
 	_ui_layer.add_child(_ui_label)
 	
-	get_tree().current_scene.add_child(_ui_layer)
+	if get_tree().current_scene:
+		get_tree().current_scene.call_deferred("add_child", _ui_layer)
 
 func _remove_ui() -> void:
 	if _ui_layer: