Her Telling you that the only way the marriage will survive is through a separation is text book BS.
What your are describing seems to be "Caking Eating" with her wanting to stay home while you pay for everything.
I suggest you talk to your attorney about getting back into the house ASAP.
Vets please chime in here.
You have just as much of a right to live there as she does. The Protection order might not allow this to happen but your atty will know what to do.
M44 H37 D13 S8 S6 Married 14 W is stay at home mom ILYBNIWY:9-28-14 A started 04/2014 OM confirm 11/24/2014 Admit PA 01/05/2015 09/11/2015 W file for D and wants the moon