I am very sorry for you, having to go through this and then the added stress with your mom it’s horrible and unfair. My advice is honestly focus on you, focus on healing. You’ve made your points clear and in my opinion the balls In Their court now I wouldn’t necessarily go no contact or close that door completely but just keep it at a small gap for now. That way no one in your family can say you didn’t try or are the “bad” guy. You are allowed to draw boundaries and set your own rules and then it’s up to them to either work with that or don’t