The designer hands you a cart mock that shows live stock for every item, updating as the customer watches. How do you respond?
Answer it out loud before you open anything. The value of the flags below is in comparing them to what you actually said.
The situation behind the question
Stock lives in a warehouse system that is queried in batches. The mock is polished and has been shown to the PM. The designer's intent is to reduce the disappointment of items going out of stock at payment.
What it is really testing
Whether the candidate treats a design as a statement of intent to collaborate on, not a spec to accept or reject, and can raise a cost early and constructively.