If you were legally separated you would know it. You do have your own lawyer that you talked to the other day right? You have rights, so your wife can’t bully you.
Different states have different laws. It’s good to make a list of questions for your lawyer so you are clear about your rights.
She left, I don’t think she can just expect to move back and take over. She may need to look for a smaller affordable rent like a studio apt.