[
  {
    "id": "a1",
    "cardId": "storage",
    "date": "2026-09-01",
    "answer": "paper envelopes"
  },
  {
    "id": "a2",
    "cardId": "storage",
    "date": "2026-09-02",
    "answer": "paper envelopes"
  },
  {
    "id": "a3",
    "cardId": "year",
    "date": "2026-09-02",
    "answer": "purchase year"
  }
]