It's embarrassing enough I had to call her for help because I couldn't trust myself to make the step, but to be advised to learn to code while I'm in hospital as I'm leaning on her in nothing but a towel is a new level.
Then again this is the same woman I overheard tell the afternoon guy that I'm "a bit useless" when they switched shifts so I shouldn't be surprised.
Maybe try recording your interactions with her with your phone so you have evidence to show someone that works there that has authority over her. Her behavior sounds mostly passive aggressive but if you can record her saying you're useless or something then that's perfect for getting back at her. I really hate when people in positions of power pull shit like this.