{
  "date": "2026-10-06",
  "runtime": "v24.19.0",
  "app_sha256": "b5b23e8c7028a1ee6ede9b41b459f5213af44661fc42f3d8c07b4a45f99c0644",
  "method": "Synthetic fixtures, not Claude samples. Actual homepage script in minimal DOM. Checkbox state and dash mode recorded in each row. Observations are fixture-specific, not general application tests.",
  "rows": [
    {
      "label": "Hidden inside digits",
      "stage": "direct string",
      "mode": "keep",
      "enabled": true,
      "input": "1​2",
      "output": "12",
      "input_codepoints": "U+0031 U+200B U+0032",
      "output_codepoints": "U+0031 U+0032",
      "status": "Removed 1 invisible character",
      "before": {
        "number": "NaN",
        "finite": false,
        "empty": false
      },
      "after": {
        "number": 12,
        "finite": true,
        "empty": false
      }
    },
    {
      "label": "Internal NBSP",
      "stage": "direct string",
      "mode": "keep",
      "enabled": true,
      "input": "1 234",
      "output": "1 234",
      "input_codepoints": "U+0031 U+00A0 U+0032 U+0033 U+0034",
      "output_codepoints": "U+0031 U+00A0 U+0032 U+0033 U+0034",
      "status": "No selected invisible characters found",
      "before": {
        "number": "NaN",
        "finite": false,
        "empty": false
      },
      "after": {
        "number": "NaN",
        "finite": false,
        "empty": false
      }
    },
    {
      "label": "Edge NBSP",
      "stage": "direct string",
      "mode": "keep",
      "enabled": true,
      "input": " 12 ",
      "output": " 12 ",
      "input_codepoints": "U+00A0 U+0031 U+0032 U+00A0",
      "output_codepoints": "U+00A0 U+0031 U+0032 U+00A0",
      "status": "No selected invisible characters found",
      "before": {
        "number": 12,
        "finite": true,
        "empty": false
      },
      "after": {
        "number": 12,
        "finite": true,
        "empty": false
      }
    },
    {
      "label": "Only selected marker",
      "stage": "direct string",
      "mode": "keep",
      "enabled": true,
      "input": "​",
      "output": "",
      "input_codepoints": "U+200B",
      "output_codepoints": "",
      "status": "Removed 1 invisible character",
      "before": {
        "number": "NaN",
        "finite": false,
        "empty": false
      },
      "after": {
        "number": 0,
        "finite": true,
        "empty": true
      }
    }
  ]
}