{
  "date": "2026-10-05",
  "runtime": "v24.19.0",
  "app_sha256": "b5b23e8c7028a1ee6ede9b41b459f5213af44661fc42f3d8c07b4a45f99c0644",
  "method": "Synthetic fixtures, not Claude samples. Actual homepage script in minimal DOM. Invisible checkbox on; dash Keep unless matrix says otherwise. Observations are fixture-specific, not general application tests.",
  "rows": [
    {
      "label": "Literal HTML text",
      "stage": "direct string",
      "mode": "keep",
      "input": "<p>A​B</p>",
      "output": "<p>AB</p>",
      "input_codepoints": "U+003C U+0070 U+003E U+0041 U+200B U+0042 U+003C U+002F U+0070 U+003E",
      "output_codepoints": "U+003C U+0070 U+003E U+0041 U+0042 U+003C U+002F U+0070 U+003E",
      "status": "Removed 1 invisible character",
      "before": {
        "markupRetained": true,
        "decodedNumericOnly": "<p>A​B</p>"
      },
      "after": {
        "markupRetained": true,
        "decodedNumericOnly": "<p>AB</p>"
      }
    },
    {
      "label": "Decimal reference",
      "stage": "direct string",
      "mode": "keep",
      "input": "<p>A&#8203;B</p>",
      "output": "<p>A&#8203;B</p>",
      "input_codepoints": "U+003C U+0070 U+003E U+0041 U+0026 U+0023 U+0038 U+0032 U+0030 U+0033 U+003B U+0042 U+003C U+002F U+0070 U+003E",
      "output_codepoints": "U+003C U+0070 U+003E U+0041 U+0026 U+0023 U+0038 U+0032 U+0030 U+0033 U+003B U+0042 U+003C U+002F U+0070 U+003E",
      "status": "No selected invisible characters found",
      "before": {
        "markupRetained": true,
        "decodedNumericOnly": "<p>A​B</p>"
      },
      "after": {
        "markupRetained": true,
        "decodedNumericOnly": "<p>A​B</p>"
      }
    },
    {
      "label": "Hexadecimal reference",
      "stage": "direct string",
      "mode": "keep",
      "input": "<p>A&#x200B;B</p>",
      "output": "<p>A&#x200B;B</p>",
      "input_codepoints": "U+003C U+0070 U+003E U+0041 U+0026 U+0023 U+0078 U+0032 U+0030 U+0030 U+0042 U+003B U+0042 U+003C U+002F U+0070 U+003E",
      "output_codepoints": "U+003C U+0070 U+003E U+0041 U+0026 U+0023 U+0078 U+0032 U+0030 U+0030 U+0042 U+003B U+0042 U+003C U+002F U+0070 U+003E",
      "status": "No selected invisible characters found",
      "before": {
        "markupRetained": true,
        "decodedNumericOnly": "<p>A​B</p>"
      },
      "after": {
        "markupRetained": true,
        "decodedNumericOnly": "<p>A​B</p>"
      }
    }
  ]
}