{
  "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": "Wrong UTF-8 ASCII body",
      "stage": "direct string",
      "mode": "keep",
      "enabled": true,
      "input": "A\u0000B\u0000",
      "output": "A\u0000B\u0000",
      "input_codepoints": "U+0041 U+0000 U+0042 U+0000",
      "output_codepoints": "U+0041 U+0000 U+0042 U+0000",
      "status": "No selected invisible characters found",
      "before": {
        "hasNul": true,
        "hasReplacement": false,
        "equalsAB": false,
        "equalsAccent": false
      },
      "after": {
        "hasNul": true,
        "hasReplacement": false,
        "equalsAB": false,
        "equalsAccent": false
      }
    },
    {
      "label": "Correct UTF-16LE ASCII body",
      "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": {
        "hasNul": false,
        "hasReplacement": false,
        "equalsAB": true,
        "equalsAccent": false
      },
      "after": {
        "hasNul": false,
        "hasReplacement": false,
        "equalsAB": true,
        "equalsAccent": false
      }
    },
    {
      "label": "Wrong UTF-8 non-ASCII body",
      "stage": "direct string",
      "mode": "keep",
      "enabled": true,
      "input": "�\u0000",
      "output": "�\u0000",
      "input_codepoints": "U+FFFD U+0000",
      "output_codepoints": "U+FFFD U+0000",
      "status": "No selected invisible characters found",
      "before": {
        "hasNul": true,
        "hasReplacement": true,
        "equalsAB": false,
        "equalsAccent": false
      },
      "after": {
        "hasNul": true,
        "hasReplacement": true,
        "equalsAB": false,
        "equalsAccent": false
      }
    },
    {
      "label": "Correct UTF-16LE non-ASCII body",
      "stage": "direct string",
      "mode": "keep",
      "enabled": true,
      "input": "é",
      "output": "é",
      "input_codepoints": "U+00E9",
      "output_codepoints": "U+00E9",
      "status": "No selected invisible characters found",
      "before": {
        "hasNul": false,
        "hasReplacement": false,
        "equalsAB": false,
        "equalsAccent": true
      },
      "after": {
        "hasNul": false,
        "hasReplacement": false,
        "equalsAB": false,
        "equalsAccent": true
      }
    }
  ]
}