Facing the exact same issue. I ended up clearing Spireton alone, but then going to the Archive via Newton. Cleared it myself without help, then I went back and did all the parts of Equitable Arrangement. After I fixed UENIAC, there was nobody waiting for me to take the Caladuceus.
I tried fast traveling to Spireton and some Archive soldiers appeared and ran to the lift, but the door was still locked. I unlocked the lift from the Archive side but still nobody is coming up to advance the quest.
Now I guess I need to decide whether to wait an indefinite amount of time for this bug to be fixed (it's been a month since this thread was created) or just do the final mission alone so I can finish the game.
