{
  "title": "两人同时使用互动答题，怎样核对答题记录没有串号",
  "evidence_type": "synthetic-not-field-measurement",
  "date": "2026-10-23",
  "required_deliverable": "双会话交错答题的会话标识、题号和得分核对表",
  "fields": [
    "submission_id",
    "session_id",
    "question_id",
    "answer",
    "correct_answer",
    "points"
  ],
  "sample_rows": [
    [
      "S1",
      "A",
      "Q1",
      "B",
      "B",
      10
    ],
    [
      "S2",
      "B",
      "Q1",
      "A",
      "B",
      10
    ],
    [
      "S3",
      "A",
      "Q2",
      "C",
      "C",
      10
    ],
    [
      "S3",
      "A",
      "Q2",
      "C",
      "C",
      10
    ],
    [
      "S4",
      "B",
      "Q2",
      "C",
      "C",
      10
    ]
  ],
  "unmeasured": "已执行合成CSV去重与计分；实际双人操作、后端并发、断线重连和持久化未测。"
}