I think that quite a few students feel the same way that you do. The senior year can be tough because you have been working so hard for so long, and it just keeps going.
Fortunately you only have about 6 months to go. You really CAN do this. In about 6 months you will have a bachelor’s degree, and you can seek out an environment that is a better fit for you.
I have a wild thought but I am not sure if it will be applicable in your case, and regardless is something for you to think about after you graduate. After graduation, you might want to see whether you qualify for Mensa, and if so join. It could be thought of as a social club for people who are not meeting people “like them”, and tends to be good for people who like things like reading. There are also of course a variety of clubs where people read books and discuss them. I know that there are such groups for people who read novels, and different groups for people who like to read Buddhist philosophy. I am sure there must be others. However, I doubt that you will have time for any of this until after you graduate.
I do think that it is good that you are talking to a therapist. I think that this will get better, probably over some time, after you graduate and can seek out an environment that is a better fit.