Yes, she figured it out.

[Sorry, Gu Yun. Get on his level of shady bastard.]

Quite a few things, though the rest of the group caught up eventually. [I have no idea if Ming Yi was at that little town hall from a couple of weeks ago, but Childe was just staring into the camera going "thanks for finally catching onto the theories I came up with week zero, guys"] How much do you know?