Dragon grows beyond being "Andrew Richter's AI" and becomes "Dragon, the superheroine who coordinates fights against Endbringers" and "Dragon, a cape with an actual trigger event and passenger and everything." Hell, it could be very easily argued that Dragon is far more human than most of the Protectorate.
Foci are still split into Offensive and Defensive, whether they're internal or external, as far as I can tell. Characters are normally assumed to have foci unless compelled not to, as far as I've been aware. I think of only one or two rare situations that would deprive foci without a compel, and those are really rare. And then we chant Sanctaphrax's favorite phrase:
Compels are cost neutral.