The Warpriest's Fervor ability is much like the Paladin's Lay on Hands. It also should have the check boxes on the front page to track usage.
If the request is titled "should have foo on the sheet like other class feature" then more likely than not, it should be a data request, since the OS work is already in place.
For instance, the paladin lay of hands is controlled by a simple tag -
I am explaining that so you'll understand why I'm moving this to a data feature request.