{
  "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": "u​ser@example.com",
      "output": "user@example.com",
      "input_codepoints": "U+0075 U+200B U+0073 U+0065 U+0072 U+0040 U+0065 U+0078 U+0061 U+006D U+0070 U+006C U+0065 U+002E U+0063 U+006F U+006D",
      "output_codepoints": "U+0075 U+0073 U+0065 U+0072 U+0040 U+0065 U+0078 U+0061 U+006D U+0070 U+006C U+0065 U+002E U+0063 U+006F U+006D",
      "status": "Removed 1 invisible character",
      "before": {
        "typeMismatch": true,
        "valid": false,
        "value": "u​ser@example.com"
      },
      "after": {
        "typeMismatch": false,
        "valid": true,
        "value": "user@example.com"
      }
    },
    {
      "label": "Retained joiner",
      "stage": "direct string",
      "mode": "keep",
      "enabled": true,
      "input": "u‍ser@example.com",
      "output": "u‍ser@example.com",
      "input_codepoints": "U+0075 U+200D U+0073 U+0065 U+0072 U+0040 U+0065 U+0078 U+0061 U+006D U+0070 U+006C U+0065 U+002E U+0063 U+006F U+006D",
      "output_codepoints": "U+0075 U+200D U+0073 U+0065 U+0072 U+0040 U+0065 U+0078 U+0061 U+006D U+0070 U+006C U+0065 U+002E U+0063 U+006F U+006D",
      "status": "No selected invisible characters found",
      "before": {
        "typeMismatch": true,
        "valid": false,
        "value": "u‍ser@example.com"
      },
      "after": {
        "typeMismatch": true,
        "valid": false,
        "value": "u‍ser@example.com"
      }
    },
    {
      "label": "Ordinary address",
      "stage": "direct string",
      "mode": "keep",
      "enabled": true,
      "input": "user@example.com",
      "output": "user@example.com",
      "input_codepoints": "U+0075 U+0073 U+0065 U+0072 U+0040 U+0065 U+0078 U+0061 U+006D U+0070 U+006C U+0065 U+002E U+0063 U+006F U+006D",
      "output_codepoints": "U+0075 U+0073 U+0065 U+0072 U+0040 U+0065 U+0078 U+0061 U+006D U+0070 U+006C U+0065 U+002E U+0063 U+006F U+006D",
      "status": "No selected invisible characters found",
      "before": {
        "typeMismatch": false,
        "valid": true,
        "value": "user@example.com"
      },
      "after": {
        "typeMismatch": false,
        "valid": true,
        "value": "user@example.com"
      }
    },
    {
      "label": "Missing at",
      "stage": "direct string",
      "mode": "keep",
      "enabled": true,
      "input": "user.example.com",
      "output": "user.example.com",
      "input_codepoints": "U+0075 U+0073 U+0065 U+0072 U+002E U+0065 U+0078 U+0061 U+006D U+0070 U+006C U+0065 U+002E U+0063 U+006F U+006D",
      "output_codepoints": "U+0075 U+0073 U+0065 U+0072 U+002E U+0065 U+0078 U+0061 U+006D U+0070 U+006C U+0065 U+002E U+0063 U+006F U+006D",
      "status": "No selected invisible characters found",
      "before": {
        "typeMismatch": true,
        "valid": false,
        "value": "user.example.com"
      },
      "after": {
        "typeMismatch": true,
        "valid": false,
        "value": "user.example.com"
      }
    }
  ],
  "destinationObserver": "Recorded Chromium 154 detached-element results; independently rerun with reproduce-browser.html. Node reproducer reuses browser-record.json."
}