I stressed on the diagnosis because many personality disorders have illness such as depression as comorbid, and in your thread it seemed to me your doctors haven’t found so far an effective treatment for this.
I myself suffer from depression and I’m now in a tough moment when I’m feeling very depressed so I understand why you barely can contemplate a tiny hope. I will have an appointment with my psychiatrist and see if we have to adjust the medication. What else can I do? Maybe, you will find the right medication, or the right professional. These things sometimes take time.

I noticed you said they were focussed on the interaction part. What are your thinking about it? For me it would be a very reduced work and not the one more productive btw, but this is my personal point of view. In cases as yours.