My take is... either go there and hope for the best... or...
I don't know... fire off a simple message to her asking if she could elaborate on the "how we want to handle us" thing...
My W has repeatedly told me she's working on a "parenting plan"... I have yet to see one from her... what's... interesting is... it appears she only says that when she's frustrated at me for something...
bah... I'd guess that she's pissed at you for something so she wants to tell you how you are supposed to be when she makes all the choices around whatever it is that she is pissed about...