Update: looks like things are moving forward
Strangely, the employment authorization application hasn't updated since biometrics were taken, so there is a chance she'll get her green card before the employment authorization? Hope the work authorization application wasn't a waste of money.
For reference, for the RFE, I submitted page 5 of that form that was missing number, certified copies of the marriage certificate, visa, and passport copies, along with a letter explaining the situation and our signatures.