I'm still hoping Zhenya is not going to skate but the way it looks now, I think it's quite likely that she will.
One thing about facing Alina now, instead of the Nats, or Europeans, is that she has the opportunity to perhaps somewhat halt the swelling up of Alina's PCS. If she doesn't show, Alina goes clean, she'll get showered with even more with PCS candies. The thing Zhenya is aware of, I am sure, is that at Nats they will go up, and if that momentum hits, by the time we are at the Olympics, and Alina is scoring 75, then with Alina's superior TES, it's a done deal anyway.
But competing so soon against her, might, might, halt that progress. Of course, it all depends on her state, and if she can be clean because she must be, in order for any of this to perhaps work. I am sure it is Alina that is pushing Zhenya to consider competing, and no one else. The big risk is her health, so I am sure she'll be weighing those careful because not only can she not afford to aggravate that injury, she cannot afford to lose. WDing is still a way way better option.
Satoko isn't even on Zhenya's radar. Or Alina's. Not to mention, there's no reason Zhenya would want to protect Sotskova. If anything, even with Fed push, it suits her group more to have Sotskova beaten because otherwise at Nats, Polina has no chance at all.