You state your intention of having her manage your own money, which I understand. But at least let her do it in the most efficient way. Have her take out a 0% credit card and put whatever she can of her overdraft onto it.
It’s then up to her to pay everything back, but at a reduced rate of interest. She is still accountable, but at least she is not being charged interest she needn’t pay.
It’s then up to her to pay everything back, but at a reduced rate of interest. She is still accountable, but at least she is not being charged interest she needn’t pay.