No, she hadn't. I had no idea.
She's,since called me again to look after the kids...yes, of course. I love the kids, I'll do it.
I apologised to her for upsetting her - I didn't know, if I had known I would have sorted something else out etc. I truly hadn't meant to cause her distress, so I chose to be the adult about it.
She blew up at me again. Continues to be mad at me for the whole thing. I still have no idea why I'm the proxy