The engagement had a fixed window. Six bi-weekly sprints, twelve weeks total, to design and validate a full enterprise product before the Bell Mobility demo that would determine whether the platform had a future. There was no playbook to follow. In 2020, nobody was designing AI UX, because AI UX wasn’t a category yet. No Claude. No GPT-4. No Figma AI. No established patterns for forecasting uncertainty, no conventions for how humans should verify model outputs, no pattern libraries for explaining why an AI recommended one decision over another. We were inventing the interaction vocabulary from first principles, for users who by definition couldn’t trust AI, on a clock.