It seems to me that Faye and Bubbles' friendship is pretty much set, and no Claire shenanigans will affect it. (Assuming they can figure this partnership stuff out.) They'll have their hands full launching the robot repair clinic, and so there'll be no need to push them together, given they'll be at close quarters 12 hours a day. Both may well decide they need a little alone time at the end of the day anyway.
Rather than giving Faye a helmet, Bubbles should think about installing some padding on the boob area. As an AI, the chest bumps are a conventionalization anyway; Bubbles could start wearing a shirt/pullover with padding added. Unless, of course, she decides to chuck the armor altogether. Or, she could fabricate something armor-like with softened areas for human contact.