"Hey I might need to move this to Tuesday if you can. Im feeling overwhelmed today with emotion. Panic attack status so not sure if it's the best time to talk. Can I just text you a little later and see".
If she's not emotional stable to meet in person, then I would not think it would be a good time to text.
I think she is going for one of three things. She either wants to vent her rage on you, or she needs reassurance that you are still her backup if nothing else works out for her, or she's having a pity party and wants to hear you validating her.
It is not about what you feel should work in your M. It is about doing the work that gets the right results. Do what works!