Fun idea and vibes!
As others have said, controls were a bit cryptic, but sometimes that adds to the experience ("learning on the job") ;]
Also, it wasn't clear what I'm doing and whether it's actually working (e.g., I thought I was missing my coffee-shots, but then I realized they just need more of them).
And briefcase is too powerful, which says a lot about our society.
BTW, my first attempt was a window% speedrun (I was just too curious and you delivered)