She needs to wake up and live like a real adult would.
This is kind of the bottom line here. Remember what you were saying the other day before the shocking twist. You are in control of your life, even more so now without the alcohol (and way to go on that btw), and you seemed pretty prepared to let go of her and move on if she was going to continue her childish ways. Don't forget that, that you know what you want, it's up to her to show that she's what you want.
Plus, she knows this time is being used for thinking and figuring things out, you'd think of all times now is when she'd be on her best behavior if she really wants to have some kind of future with you. If she can't act like an adult for 90 days, how can you expect it for the next X years? Let her show you who she really is, then you can make your decision.
Me: 43 W: 41 Together 2009, Married 2011 Sons 10 and 6, Daughter 5 Bomb 2/21/21. W moved out 10/2021