“The customer. To make sure someone’s there to sign.”

Mateo checked the server logs. No freeze. No errors.

“And if the system is wrong? You tell Mateo. He fixes it within an hour. Not next quarter. Not after a ticket. Within an hour.”

She didn’t fire the drivers. She redesigned the route. The completo stand became an official 10-minute break point. The temperature sensor triggered an automatic alert to the driver’s cab. Within two weeks, spoilage dropped by 22%. The system worked beautifully—until it didn’t.

One Tuesday, Val noticed a pattern in the “Last Kilometer” data. The final leg of every delivery—from the truck’s last stop to the customer’s door—was the slowest. Not traffic-slow. Decision -slow.

“See?” Tomás said, frustrated. “Now we just have more problems.”

“That’s what the QR code is for. They pre-sign online.”