Maybe they will have some vegetarian options, hopefully beside just salad. There are a lot more vegetarian around now, and meat can be costly too, so I hope it will be okay for you.
I have food issues too, and a lot of diet restrictions, so eating away from home doesn't really happen. I do not like eating in front of others much either, I remember when I was in out atient, I did not enjoy lunch time too much.
Hope it goes good all around for you, it is a big time commitment but it might be very worth it in the end.
mental health day off from mental health program... hehe yes I can see lots of people feeling like they need that tho. Funny