Ok, made three phone calls:

Acacia is closed today. The menu lists a fruit plate and a citrus sald, but I'll try them again tomorrow just for the heck of it.

Cafe Nola has a dish of quinoa cabbage rolls that's vegan, as well as an accommodating vegetarian/vegan-sympathizer chef. They prefer groups of our size to make a reservation.

Cacique has veggie fajitas that qualify as vegan, and they would also want a reservation to be made.