[
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    "run_date": "2026-03-02",
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    "downtime_hours": 0.5,
    "operator": "김반장"
  },
  {
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    "downtime_hours": null,
    "operator": "김반장"
  },
  {
    "row_id": "r_003",
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    "equipment_code": "PRS-01",
    "run_date": "2026-03-03",
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    "downtime_hours": null,
    "operator": null
  },
  {
    "row_id": "r_004",
    "file_source": "mes_export",
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    "downtime_hours": 1,
    "operator": "김반장"
  },
  {
    "row_id": "r_005",
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    "equipment_code": "PRS-02",
    "run_date": "2026-03-02",
    "runtime_hours": null,
    "downtime_hours": null,
    "operator": "이주임"
  },
  {
    "row_id": "r_006",
    "file_source": "mes_export",
    "equipment_code": "prs-02",
    "run_date": "2026-03-04",
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    "downtime_hours": 2,
    "operator": "이주임"
  },
  {
    "row_id": "r_007",
    "file_source": "manual_sheet",
    "equipment_code": "PRS 02",
    "run_date": "2026-03-05",
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    "downtime_hours": null,
    "operator": null
  },
  {
    "row_id": "r_008",
    "file_source": "mes_export",
    "equipment_code": "CNC-07",
    "run_date": "2026-03-02",
    "runtime_hours": 26.5,
    "downtime_hours": 0,
    "operator": "박기사"
  },
  {
    "row_id": "r_009",
    "file_source": "mes_export",
    "equipment_code": "CNC-07",
    "run_date": "2026-03-03",
    "runtime_hours": 20,
    "downtime_hours": 1.5,
    "operator": "박기사"
  },
  {
    "row_id": "r_010",
    "file_source": "mes_export",
    "equipment_code": "CNC-07",
    "run_date": "2026-03-12",
    "runtime_hours": 21,
    "downtime_hours": 0.5,
    "operator": "박기사"
  },
  {
    "row_id": "r_011",
    "file_source": "manual_sheet",
    "equipment_code": "WLD-03",
    "run_date": "2026-03-06",
    "runtime_hours": 12,
    "downtime_hours": null,
    "operator": null
  },
  {
    "row_id": "r_012",
    "file_source": "manual_sheet",
    "equipment_code": "WLD-03",
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    "runtime_hours": 0,
    "downtime_hours": 24,
    "operator": "최반장"
  },
  {
    "row_id": "r_013",
    "file_source": "mes_export",
    "equipment_code": "PNT-A",
    "run_date": "2026-03-08",
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    "downtime_hours": 0.5,
    "operator": "정주임"
  },
  {
    "row_id": "r_014",
    "file_source": "mes_export",
    "equipment_code": "PNT-A",
    "run_date": "2026-03-09",
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    "downtime_hours": null,
    "operator": "정주임"
  }
]