Hang in there..and again...time will tell. Right now..you need to lighten up on your emotions..that anxiety piece of things.
I'm not sure it is real anymore.
Because that what is happening might be at odds with how you view the world and what you want to happen.
Try not to catastrophise over this. It may yet have a happy ending. Back to the important issue. She needs the time and space to be independent and sort this out on her own.
That is within your responsibility. You'll feel better once you work on this part.
I wish you good luck with this.