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    "date": "2026-03-04",
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    "date": "2026-03-04",
    "line": "M16-A",
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  },
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    "date": "2026-03-04",
    "line": "M14-B",
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    "date": "2026-03-05",
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  },
  {
    "date": "2026-03-05",
    "line": "M14-B",
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  },
  {
    "date": "2026-03-06",
    "line": "M16-A",
    "lot_id": "L2603A03",
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    "bin_id": "b_retention",
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    "test_stage": "final"
  },
  {
    "date": "2026-03-06",
    "line": "M14-B",
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    "bin_id": "b_idd",
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    "avg_margin_mv": 31,
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  },
  {
    "date": "2026-03-07",
    "line": "M16-A",
    "lot_id": "L2603A04",
    "bin_raw": "신규불량_X(미등록)",
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  },
  {
    "date": "2026-03-07",
    "line": "M14-B",
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  },
  {
    "date": "2026-03-08",
    "line": "M16-A",
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    "bin_id": "b_vref",
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    "test_stage": "wafer"
  },
  {
    "date": "2026-03-09",
    "line": "M14-B",
    "lot_id": "L2603B11",
    "bin_raw": "설비점검(테스트없음)",
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    "tested_count": 0,
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    "avg_margin_mv": null,
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  },
  {
    "date": "2026-03-10",
    "line": "M16-A",
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    "bin_id": "b_retention",
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    "avg_margin_mv": 1.8,
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  },
  {
    "date": "2026-03-10",
    "line": "M14-B",
    "lot_id": "L2603B12",
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    "fail_rate_pct": 21.7,
    "avg_margin_mv": 1.5,
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  },
  {
    "date": "2026-03-12",
    "line": "M16-A",
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    "fail_rate_pct": 14,
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  }
]