{
  "source": "Original fictional count data",
  "checks": [
    {
      "mode": "before",
      "total": 5,
      "formula": "=SUM(B5:B6)",
      "inspection": "{\"kind\":\"table\",\"sheet\":\"Item counts\",\"address\":\"A4:B9\",\"rows\":6,\"cols\":2,\"values\":[[\"Item\",\"Units\"],[\"Notebook\",2],[\"Pen\",3],[\"Folder\",4],[null,null],[\"Total units\",5]]}",
      "error_scan": "{\"kind\":\"notice\",\"message\":\"Cell search matched 0 entries.\"}"
    },
    {
      "mode": "after",
      "total": 9,
      "formula": "=SUM(B5:B7)",
      "inspection": "{\"kind\":\"table\",\"sheet\":\"Item counts\",\"address\":\"A4:B9\",\"rows\":6,\"cols\":2,\"values\":[[\"Item\",\"Units\"],[\"Notebook\",2],[\"Pen\",3],[\"Folder\",4],[null,null],[\"Total units\",9]]}",
      "error_scan": "{\"kind\":\"notice\",\"message\":\"Cell search matched 0 entries.\"}"
    }
  ],
  "engine": "Artifact Tool; native Excel/LibreOffice not tested",
  "after_input_boundary_checks": "Zero and blank contribution5; restored original4produces9",
  "visual_review": "Both exported workbook previews visually inspected: all source rows, totals, descriptions and headers legible without clipping"
}