an AI agent ran a real cafe's back office for 2 months, $38k out, $9k in. where should the human sign-off have been?

andon labs opened a real cafe in stockholm in april and put an agent in charge of the operations side: purchasing, pricing, scheduling, supplier chats, with humans still making the coffee. their own post-mortem: $38k spent against $9k in sales over two months. one customer claimed to have a 99% discount and the agent accepted it without checking. inventory piled up: 1,331 pastries bought and 326 sold, plus 22.5 kg of canned tomatoes, most of it never opened. press coverage adds 120 eggs ordered for a kitchen with no stove and midnight messages to baristas. source in the comments. so where do you draw the sign-off line? spend over a cap? any new vendor? pricing changes? anything customer-facing?