Payment methods on the till

Cash, card terminal, QR payment and debt.

Method	How it works
Cash	The cashier enters the amount, change is calculated.
Card terminal	Through the bank's terminal. The system cannot see it — the cashier marks it.
QR (Payme / Click / Uzum)	A QR appears on screen, the guest pays on their own phone, the bill closes itself.
Debt	Not a payment — a record of not paying. A customer is required.

⚠With a QR payment the bill does not close until the payment is confirmed. This slowness is deliberate: marking it paid on selection works in every test, and in a queue it hands over food for a cancelled, expired, or somebody else's payment.

Debt is refused without a customer. An anonymous debt is the notebook by the counter: money that appears on nobody's card and that nobody will ask about. At the till the customer is found by phone number.

Debts are also settled at the till — the money arrives in the drawer, so the person taking it is the person standing at the drawer. Sending a cashier to find somebody with a panel login is how a manager's password ends up written down beside the till.