that sounds like a lot to deal with. Not only now, but maybe you need to work through some things from your childhood. I mean you basicaly describing an abusive parent (neglecting & overcontroling combination).
so, if you can afford it, therapy might be good to keep doing.

She will not solve your problems. Maybe she cares, maybe not. But she doesn't act like she does.

I'm so sorry that you don't have a family that appreciates you. You deserve better and it's unfair that you have a hard time because of it. They were supposed to teach you this stuff. Caring and friendship and love.

When I'm depressed such feelings tend to add up, and it's exhausting. I drown in despair and there is no hope. I think the loss of hope and joy, the darkness and loneliness will allways be my description of depression. Mix in a little trauma (cptsd here) and it looks even more like an endless meaningless path.

Here's what worked for me:
- long term therapy
- the internet (no seriously. friendships can have various forms and twitter saved my life)
- drawing or other creative ways to reappraise this stuff
- writing (for me it's a tool to break the spiral in my head and instead force my thoughts to move to the next step)
- internship/volunteering/working/(in my case queer) communities/..

I know you said you have no hobbies, but finding something that is at least "meh, okay maybe I guess" level of fun with other people helps. A lot.
You get so see other people regularly
Eventually you will get to know some of their problems
And this makes you feel like belonging

It may not give you the 1:1 friendship guaranty, but it lessens the loneliness and isolation.
And maybe you find someone who sticks to you (there are fascinating people out there that manage to take you the way you are - they are a blessing)

I wish you luck, healing and frienship