Nice! Thanks for the technical writeup, ~2 weeks from me wondering how it's implemented [1] to being able to play with a replicated version!

[1] https://news.ycombinator.com/item?id=47799128

Thanks for starting that thread, I definitely drew some inspiration from it. But ultimately the secret sauce for the background click came from discovering yabai's window_manager_focus_window_without_raise https://github.com/asmvik/yabai/blob/f17ef88116b0d988b834bb2...