Sorry you're going through this.
I don't think her behavior has to mean she's drinking again.
To me, and that is ONLY MY OPINION, if sounds more like she has few things confused about recovery. Like there are some issuses in regard to you and your marriage she'd rather not address, so it is easier for her to create a scenario in which she can not recover with you there, or something along those lines.
They say As are very selfish in early recovery. It sounds to me she is (still) unable to see the damage her drinking has done to you and your marriage, she is not taking that responsibility, she maybe even thinks it is your fault it got this bad for her.
At some point she might figure out the way things really are or not.
I don't think there is much you can do at this point. I can only imagine how hard is all this for you.
I'm sorry.
take care