Welcom!

Ah yes. Most of us will recognize what you are talking about in the story you shared. We get it here.
Making you feel responsible for her divorce is just using you as a scapegoat. Also , are you familiar with emotional incest?
My mom has had a lifelong issue in her relationship with food too. She was diagnosed with anorexia after I was born. She tried her darndest to pass that on to me. It’s good that you are aware of her issues with body image. Its easier to navigate her behaviors when you have this awareness.
Do you also see a counsellor/therapist?
Your mom is probably feeling “abandoned” right now because you moved out. Give her some time to self sooth.
Moving out is a new chapter of your life. Congratulations on graduating from college!
Let us know how we can help.