{
  "date": "2026-10-09",
  "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": "Marked username",
      "stage": "direct string",
      "mode": "keep",
      "enabled": true,
      "input": "https://u​ser:demo@example.com/x",
      "output": "https://user:demo@example.com/x",
      "input_codepoints": "U+0068 U+0074 U+0074 U+0070 U+0073 U+003A U+002F U+002F U+0075 U+200B U+0073 U+0065 U+0072 U+003A U+0064 U+0065 U+006D U+006F U+0040 U+0065 U+0078 U+0061 U+006D U+0070 U+006C U+0065 U+002E U+0063 U+006F U+006D U+002F U+0078",
      "output_codepoints": "U+0068 U+0074 U+0074 U+0070 U+0073 U+003A U+002F U+002F U+0075 U+0073 U+0065 U+0072 U+003A U+0064 U+0065 U+006D U+006F U+0040 U+0065 U+0078 U+0061 U+006D U+0070 U+006C U+0065 U+002E U+0063 U+006F U+006D U+002F U+0078",
      "status": "Removed 1 invisible character",
      "before": {
        "username": "u%E2%80%8Bser",
        "password": "demo",
        "hostname": "example.com",
        "pathname": "/x"
      },
      "after": {
        "username": "user",
        "password": "demo",
        "hostname": "example.com",
        "pathname": "/x"
      }
    },
    {
      "label": "Multiple at signs",
      "stage": "direct string",
      "mode": "keep",
      "enabled": true,
      "input": "https://user@label@example.com/x",
      "output": "https://user@label@example.com/x",
      "input_codepoints": "U+0068 U+0074 U+0074 U+0070 U+0073 U+003A U+002F U+002F U+0075 U+0073 U+0065 U+0072 U+0040 U+006C U+0061 U+0062 U+0065 U+006C U+0040 U+0065 U+0078 U+0061 U+006D U+0070 U+006C U+0065 U+002E U+0063 U+006F U+006D U+002F U+0078",
      "output_codepoints": "U+0068 U+0074 U+0074 U+0070 U+0073 U+003A U+002F U+002F U+0075 U+0073 U+0065 U+0072 U+0040 U+006C U+0061 U+0062 U+0065 U+006C U+0040 U+0065 U+0078 U+0061 U+006D U+0070 U+006C U+0065 U+002E U+0063 U+006F U+006D U+002F U+0078",
      "status": "No selected invisible characters found",
      "before": {
        "username": "user%40label",
        "password": "",
        "hostname": "example.com",
        "pathname": "/x"
      },
      "after": {
        "username": "user%40label",
        "password": "",
        "hostname": "example.com",
        "pathname": "/x"
      }
    },
    {
      "label": "Encoded at in user",
      "stage": "direct string",
      "mode": "keep",
      "enabled": true,
      "input": "https://user%40label@example.com/x",
      "output": "https://user%40label@example.com/x",
      "input_codepoints": "U+0068 U+0074 U+0074 U+0070 U+0073 U+003A U+002F U+002F U+0075 U+0073 U+0065 U+0072 U+0025 U+0034 U+0030 U+006C U+0061 U+0062 U+0065 U+006C U+0040 U+0065 U+0078 U+0061 U+006D U+0070 U+006C U+0065 U+002E U+0063 U+006F U+006D U+002F U+0078",
      "output_codepoints": "U+0068 U+0074 U+0074 U+0070 U+0073 U+003A U+002F U+002F U+0075 U+0073 U+0065 U+0072 U+0025 U+0034 U+0030 U+006C U+0061 U+0062 U+0065 U+006C U+0040 U+0065 U+0078 U+0061 U+006D U+0070 U+006C U+0065 U+002E U+0063 U+006F U+006D U+002F U+0078",
      "status": "No selected invisible characters found",
      "before": {
        "username": "user%40label",
        "password": "",
        "hostname": "example.com",
        "pathname": "/x"
      },
      "after": {
        "username": "user%40label",
        "password": "",
        "hostname": "example.com",
        "pathname": "/x"
      }
    },
    {
      "label": "No userinfo",
      "stage": "direct string",
      "mode": "keep",
      "enabled": true,
      "input": "https://example.com/x",
      "output": "https://example.com/x",
      "input_codepoints": "U+0068 U+0074 U+0074 U+0070 U+0073 U+003A U+002F U+002F U+0065 U+0078 U+0061 U+006D U+0070 U+006C U+0065 U+002E U+0063 U+006F U+006D U+002F U+0078",
      "output_codepoints": "U+0068 U+0074 U+0074 U+0070 U+0073 U+003A U+002F U+002F U+0065 U+0078 U+0061 U+006D U+0070 U+006C U+0065 U+002E U+0063 U+006F U+006D U+002F U+0078",
      "status": "No selected invisible characters found",
      "before": {
        "username": "",
        "password": "",
        "hostname": "example.com",
        "pathname": "/x"
      },
      "after": {
        "username": "",
        "password": "",
        "hostname": "example.com",
        "pathname": "/x"
      }
    }
  ]
}