sort of, using debug. there's still odds and ends to figure out with the game over checkpoints, one of which is suu's damaged alt is just tied to continues used being > 0, so it persists forever until a full reset right now (though the continue number is settable in the debug menu).
the "please rest" dialogue right now is set and not specifically triggered by being damaged or anything; though it is a reminder that suu's status doesn't fully recover after a gameover; her max health is reduced. right now the place to fix that is at a hotspring, (the vapor weather effect in the hotspring room recovers lost max health based on how deep in water a character is) but i want to add interactions with the girlfriends that do repairs as well, but my event systems need work til then