Chuck, what makes you think she is stable? She is refusing counseling, has legal problems brewing at work and is pursuing a divorce with you. What about that says stability?
Do not let your guard down. This so called reconnecting behavior is still too new to put much stock in. If she is looking for a place to live, why would you go somewhere else? If she wants out, let her go but you stay in the house and keep the kids with you. Unless and until, she gets into IC.