She's pushing the timeline for a change of subject. She should stop emailing and try and talk to a human being! This isn't a brand new issue, nor is it a catastrophe. Next time she is in the department, she should go and see one of the Admin team and ask to make an appointment with her Tutor - every academic with responsibilities for students has 'office hours' and she should go and talk to them. It's probably the 3rd or 4th conversation like this they've had this term!
She needs to be as clear as she can about what her struggles are - academic, social, 'adulting', home sickness or whatever. They will all have been heard before. And then she should offer her current solution, and listen to the advice given on what the uni has experience of and what they recommend.
To be clear, this is far from unique, a very large proportion of students feel this way, and the '6 week blues' are a well known phenomenon. The answer is usually, trust in your previous thinking, stick with it until Christmas, any by then you realise you are actually very happy where you are and with what you are doing. In only a small proportion is a re-think and re-plan actually needed.
*Btw, helicopter parenting is a bad thing, but Bath is a lovely city for a weekend break - and has/had an excellent Christmas Fair - just saying!