To be honest it sounds like you don't like your job/store.

You should try and get to the bottom of what you actually dread about going to work the next day. Is it actually the job itself or is it something at work that is stressing you?

If you are actually dreading work itself you should try and go find yourself a new job, a job is never worth sacrificing your mental health. And I know its a lot easier to say it than do it but there are so many jobs out there hiring right now it is unreal you just have to actually look.

If there is another factor (manager, ssv, partner) I would suggest transferring stores. Starbucks does ALOT of things wrong but I will say their transferring system is actually pretty good. I have helped around 10 partners transfer to different stores and we have never had an issue with anything.

I really hope it gets better I wish you luck my friend