{
  "date": "2026-10-08",
  "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": "Selected marker",
      "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": {
        "serialized": "{\"text\":\"A​B\"}",
        "roundTrip": "A​B",
        "roundTripEqual": true
      },
      "after": {
        "serialized": "{\"text\":\"AB\"}",
        "roundTrip": "AB",
        "roundTripEqual": true
      }
    },
    {
      "label": "Retained joiner",
      "stage": "direct string",
      "mode": "keep",
      "enabled": true,
      "input": "A‍B",
      "output": "A‍B",
      "input_codepoints": "U+0041 U+200D U+0042",
      "output_codepoints": "U+0041 U+200D U+0042",
      "status": "No selected invisible characters found",
      "before": {
        "serialized": "{\"text\":\"A‍B\"}",
        "roundTrip": "A‍B",
        "roundTripEqual": true
      },
      "after": {
        "serialized": "{\"text\":\"A‍B\"}",
        "roundTrip": "A‍B",
        "roundTripEqual": true
      }
    },
    {
      "label": "Ordinary newline",
      "stage": "direct string",
      "mode": "keep",
      "enabled": true,
      "input": "A\nB",
      "output": "A\nB",
      "input_codepoints": "U+0041 U+000A U+0042",
      "output_codepoints": "U+0041 U+000A U+0042",
      "status": "No selected invisible characters found",
      "before": {
        "serialized": "{\"text\":\"A\\nB\"}",
        "roundTrip": "A\nB",
        "roundTripEqual": true
      },
      "after": {
        "serialized": "{\"text\":\"A\\nB\"}",
        "roundTrip": "A\nB",
        "roundTripEqual": true
      }
    },
    {
      "label": "Literal backslash escape",
      "stage": "direct string",
      "mode": "keep",
      "enabled": true,
      "input": "A\\u200BB",
      "output": "A\\u200BB",
      "input_codepoints": "U+0041 U+005C U+0075 U+0032 U+0030 U+0030 U+0042 U+0042",
      "output_codepoints": "U+0041 U+005C U+0075 U+0032 U+0030 U+0030 U+0042 U+0042",
      "status": "No selected invisible characters found",
      "before": {
        "serialized": "{\"text\":\"A\\\\u200BB\"}",
        "roundTrip": "A\\u200BB",
        "roundTripEqual": true
      },
      "after": {
        "serialized": "{\"text\":\"A\\\\u200BB\"}",
        "roundTrip": "A\\u200BB",
        "roundTripEqual": true
      }
    }
  ]
}