I really wish LBSs would consult with the board before making huge decisions. Everyone thinks detachment is easier if they are physically separated from the WAS. It isn't that easy. And on the flip side LBSs that are physically separated feel that there is no way for them to show their WAS that they are making positive changes. It is a double-edged sword.
Asking her to leave is fine. She is under no legal obligation to do so. Staying in the house is almost always the best course of action, unless the obstinate spouse is physically abusive.
M(53), W(54),D(19) M-23, T-25 Bomb Drop - Dec.23, 2017 Ring and Piecing since March 2018