If the locking-in was meant to unnerve Aubrey, it was at least partially successful, though not enough to break the surface into a noticeable reaction. The situation remained an uncertain one, the entire 'operation' running on minimal information, but she felt secure enough that she could navigate the meeting through whatever turns it took. The most probable worst-case outcome would likely be just being left where they had started, and thus, she assumed there was a bit of leeway if she needed it.
It appeared to fall to her to broach the topic, but the First Lady continued to shy around the edges of it, less direct than usual, and not well accustomed to the style.
"Looks like an efficient setup. No need for bells and whistles," she observed.