Well, I paid the fitter, that's what I did. He fiddled with things and now the pain is on the way out.

On that foot there are: custom insoles, a varus wedge, Q spacers, 5mm lower seat height, and the shoe feels a more heel out than I would have expected. Then there's back position and heel elevation changes suggested, along with yoga/stretching for the hamstrings.

All of this has stabilized the knee tracking, which is what I really need for now. Like I said, there's a lot to this stuff. A good fit is pretty awesome.