Extend an Existing Codebase to Support Accessibility Requirements

Problem: add accessibility to an existing transit codebase (AI coding) You are handed stationapp, the working timetable and station-information service of a bus operator, and a product requirement: help passengers with disabilities find journeys they can actually take. You implement the feature inside the existing code, keep every existing test green, and explain your design. Once Task 1 works, the interviewer adds a limitation that changes it (Task 2). AI assistants are…