So, my advice to her should be to ask the gate agent so that she can be added to the list?
I'm not hoping for too much -- this is EWR-SFO after all, but still, a benefit should be automatic / at least correctly done in form, "to avoid confusion" as United now says.
Why would the itinerary confirmation say "CPU requested" and yet it not happen on check-in? This is not very smooth...