Walk, defend and debug your build
Show that you understand the system the agent helped you create.
25 minutes
Walk
Choose the save handler. Explain its input, identity check, validation, database operation and response. Point to the exact code behind each claim.
Defend
Explain one design decision, a plausible alternative and its concrete cost. State when you would choose differently. Then debug this symptom: “A learner saves a session successfully, but it disappears after refresh.” Give a hypothesis and a discriminating check.