{
  "interviewId": "uuid-v4",
  "topic": "Delivery app",
  "createdAt": "2026-04-07T14:55:00Z",
  "completed": true,
  "responses": [
    {
      "questionId": 1,
      "question": "...",
      "answer": "...",
      "followUps": [{ "question": "...", "answer": "..." }]
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}