{
  "date": "2026-10-10",
  "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": "Marked ASCII",
      "stage": "direct string",
      "mode": "keep",
      "enabled": true,
      "input": "A​B",
      "output": "AB",
      "input_codepoints": "U+0041 U+200B U+0042",
      "output_codepoints": "U+0041 U+0042",
      "status": "Removed 1 invisible character",
      "before": {
        "utf8Hex": "41e2808b42",
        "latin1Hex": "410b42",
        "latin1Roundtrip": "A\u000bB"
      },
      "after": {
        "utf8Hex": "4142",
        "latin1Hex": "4142",
        "latin1Roundtrip": "AB"
      }
    },
    {
      "label": "Latin1 accented",
      "stage": "direct string",
      "mode": "keep",
      "enabled": true,
      "input": "café",
      "output": "café",
      "input_codepoints": "U+0063 U+0061 U+0066 U+00E9",
      "output_codepoints": "U+0063 U+0061 U+0066 U+00E9",
      "status": "No selected invisible characters found",
      "before": {
        "utf8Hex": "636166c3a9",
        "latin1Hex": "636166e9",
        "latin1Roundtrip": "café"
      },
      "after": {
        "utf8Hex": "636166c3a9",
        "latin1Hex": "636166e9",
        "latin1Roundtrip": "café"
      }
    },
    {
      "label": "Outside Latin1",
      "stage": "direct string",
      "mode": "keep",
      "enabled": true,
      "input": "Ā",
      "output": "Ā",
      "input_codepoints": "U+0100",
      "output_codepoints": "U+0100",
      "status": "No selected invisible characters found",
      "before": {
        "utf8Hex": "c480",
        "latin1Hex": "00",
        "latin1Roundtrip": "\u0000"
      },
      "after": {
        "utf8Hex": "c480",
        "latin1Hex": "00",
        "latin1Roundtrip": "\u0000"
      }
    },
    {
      "label": "Plain reference",
      "stage": "direct string",
      "mode": "keep",
      "enabled": true,
      "input": "AB",
      "output": "AB",
      "input_codepoints": "U+0041 U+0042",
      "output_codepoints": "U+0041 U+0042",
      "status": "No selected invisible characters found",
      "before": {
        "utf8Hex": "4142",
        "latin1Hex": "4142",
        "latin1Roundtrip": "AB"
      },
      "after": {
        "utf8Hex": "4142",
        "latin1Hex": "4142",
        "latin1Roundtrip": "AB"
      }
    }
  ]
}