Well, I'm so sorry the naps aren't working out! At least she's getting some good nights!
Since it's not her A times you said and shes neither OT or UT as you say, then i would ride the wave for now until it passes bc it will
....if you think she's adjusted to help from you, then gradually try a little ST for naps.
Huuuuugs! I know it's frustrating. I've been dealing with random EWs
messing up his whole day getting him OT now.