{
  "date": "2026-10-12",
  "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": "Marker before emoji",
      "stage": "direct string",
      "mode": "keep",
      "enabled": true,
      "input": "​😀X",
      "output": "😀X",
      "input_codepoints": "U+200B U+1F600 U+0058",
      "output_codepoints": "U+1F600 U+0058",
      "status": "Removed 1 invisible character",
      "before": {
        "firstUnit": "​",
        "wellFormed": true,
        "firstCodePoint": "​",
        "encodedHex": "e2808b"
      },
      "after": {
        "firstUnit": "\ud83d",
        "wellFormed": false,
        "firstCodePoint": "😀",
        "encodedHex": "efbfbd"
      }
    },
    {
      "label": "Emoji before letter",
      "stage": "direct string",
      "mode": "keep",
      "enabled": true,
      "input": "😀X",
      "output": "😀X",
      "input_codepoints": "U+1F600 U+0058",
      "output_codepoints": "U+1F600 U+0058",
      "status": "No selected invisible characters found",
      "before": {
        "firstUnit": "\ud83d",
        "wellFormed": false,
        "firstCodePoint": "😀",
        "encodedHex": "efbfbd"
      },
      "after": {
        "firstUnit": "\ud83d",
        "wellFormed": false,
        "firstCodePoint": "😀",
        "encodedHex": "efbfbd"
      }
    },
    {
      "label": "Plain ASCII",
      "stage": "direct string",
      "mode": "keep",
      "enabled": true,
      "input": "ABX",
      "output": "ABX",
      "input_codepoints": "U+0041 U+0042 U+0058",
      "output_codepoints": "U+0041 U+0042 U+0058",
      "status": "No selected invisible characters found",
      "before": {
        "firstUnit": "A",
        "wellFormed": true,
        "firstCodePoint": "A",
        "encodedHex": "41"
      },
      "after": {
        "firstUnit": "A",
        "wellFormed": true,
        "firstCodePoint": "A",
        "encodedHex": "41"
      }
    },
    {
      "label": "Combining accent",
      "stage": "direct string",
      "mode": "keep",
      "enabled": true,
      "input": "éX",
      "output": "éX",
      "input_codepoints": "U+0065 U+0301 U+0058",
      "output_codepoints": "U+0065 U+0301 U+0058",
      "status": "No selected invisible characters found",
      "before": {
        "firstUnit": "e",
        "wellFormed": true,
        "firstCodePoint": "e",
        "encodedHex": "65"
      },
      "after": {
        "firstUnit": "e",
        "wellFormed": true,
        "firstCodePoint": "e",
        "encodedHex": "65"
      }
    }
  ]
}