{
  "frozen_at": "2026-10-09T16:18:29.425641+00:00",
  "scope": "Synthetic 7-row CSV editing fixture; all cells are expected strings. Independent Python standard library, no tested application output used.",
  "header": [
    "record_id",
    "text_id",
    "code",
    "city",
    "status",
    "note"
  ],
  "original_rows": [
    [
      "r01",
      "00123",
      "1E10",
      "广州",
      "pending",
      "合成记录 1, \"仓库A\""
    ],
    [
      "r02",
      "123",
      "03-04",
      "上海",
      "pending",
      "合成记录 2"
    ],
    [
      "r03",
      "12345678901234567890",
      "SKU-A",
      "广州",
      "pending",
      "合成记录 3"
    ],
    [
      "r04",
      "12345678901234567891",
      "00123",
      "上海",
      "pending",
      "合成记录 4"
    ],
    [
      "r05",
      "00012345678901234567890",
      "123",
      "广州",
      "pending",
      "合成记录 5"
    ],
    [
      "r06",
      "1E10",
      "03-04",
      "上海",
      "pending",
      "合成记录 6"
    ],
    [
      "r07",
      "03-04",
      "1E10",
      "广州",
      "pending",
      "合成记录 7"
    ]
  ],
  "edits": [
    {
      "record_id": "r02",
      "field": "status",
      "before": "pending",
      "after": "checked"
    },
    {
      "record_id": "r05",
      "field": "note",
      "before": "合成记录 5",
      "after": "已核对, \"保留原文\""
    }
  ],
  "edited_rows": [
    [
      "r01",
      "00123",
      "1E10",
      "广州",
      "pending",
      "合成记录 1, \"仓库A\""
    ],
    [
      "r02",
      "123",
      "03-04",
      "上海",
      "checked",
      "合成记录 2"
    ],
    [
      "r03",
      "12345678901234567890",
      "SKU-A",
      "广州",
      "pending",
      "合成记录 3"
    ],
    [
      "r04",
      "12345678901234567891",
      "00123",
      "上海",
      "pending",
      "合成记录 4"
    ],
    [
      "r05",
      "00012345678901234567890",
      "123",
      "广州",
      "pending",
      "已核对, \"保留原文\""
    ],
    [
      "r06",
      "1E10",
      "03-04",
      "上海",
      "pending",
      "合成记录 6"
    ],
    [
      "r07",
      "03-04",
      "1E10",
      "广州",
      "pending",
      "合成记录 7"
    ]
  ],
  "row_count": 7,
  "column_count": 6,
  "requirements": [
    "Keep header, row order and column order.",
    "Unedited save must keep every field.",
    "Edited save must change only r02.status and r05.note.",
    "UTF-8 with/without BOM inputs must parse to the same table.",
    "Formatting changes are separate from value corruption."
  ]
}