JS, I can't get my H to talk much, but there was a time that he told me he was working on the R by just spending time with me. Eventually he started spending more time with me. I don't know if that's what's up with your W, but it's one possibility.
I know you don't want to hear about having MORE patience. Is it time to seriously consider the alternative? You do have a right to have your needs met in a relationship. You have a right to expect a better quality of relationship.
Still, I don't see you taking care of you in all of this. You still seem overly concerned with what she is going to do. She can not be your whole life, especially if she's going to carry on this way. I think it would help if you got out a little more. Met a few people. How about starting dance class again? She may not go with you, but you'll get out of the house and be with people. Of course, most normal wives wouldn't let you go alone, so maybe it will get her out of the bedroom. Maybe...