I can say from bitter experience that it’s no use trying to work with or reason with someone you are having this much of a problem with. It sounds as if your working relationship has broken down, and this is the basis on which I would raise a grievance. Ask to be moved away from her.
A colleague and I were both bullied horribly by our manager. It was living hell - permanently affected my mental health, and I had time off work for it, . I don’t know if this was the reason why, but I got moved away from him pretty much as soon as I made enough fuss, but my colleague had to raise a grievance.
Have you raised the issue with someone else in the organisation, a colleague, union rep, manager? Has this manager done it before, or are you the first victim?
Also keep a diary of what goes on. Make your own, contemporaneous paper trail.
Be prepared for her to turn the tables as say you’re bullying her, that’s fairly typical.