{
  "date": "2026-10-11",
  "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 and plain keys",
      "stage": "direct string",
      "mode": "keep",
      "enabled": true,
      "input": "na​me=Ada&name=Bea&x=1",
      "output": "name=Ada&name=Bea&x=1",
      "input_codepoints": "U+006E U+0061 U+200B U+006D U+0065 U+003D U+0041 U+0064 U+0061 U+0026 U+006E U+0061 U+006D U+0065 U+003D U+0042 U+0065 U+0061 U+0026 U+0078 U+003D U+0031",
      "output_codepoints": "U+006E U+0061 U+006D U+0065 U+003D U+0041 U+0064 U+0061 U+0026 U+006E U+0061 U+006D U+0065 U+003D U+0042 U+0065 U+0061 U+0026 U+0078 U+003D U+0031",
      "status": "Removed 1 invisible character",
      "before": {
        "original": [
          [
            "na​me",
            "Ada"
          ],
          [
            "name",
            "Bea"
          ],
          [
            "x",
            "1"
          ]
        ],
        "updated": [
          [
            "na​me",
            "Ada"
          ],
          [
            "name",
            "Cy"
          ],
          [
            "x",
            "1"
          ]
        ],
        "serialized": "na%E2%80%8Bme=Ada&name=Cy&x=1"
      },
      "after": {
        "original": [
          [
            "name",
            "Ada"
          ],
          [
            "name",
            "Bea"
          ],
          [
            "x",
            "1"
          ]
        ],
        "updated": [
          [
            "name",
            "Cy"
          ],
          [
            "x",
            "1"
          ]
        ],
        "serialized": "name=Cy&x=1"
      }
    },
    {
      "label": "Two ordinary duplicates",
      "stage": "direct string",
      "mode": "keep",
      "enabled": true,
      "input": "name=Ada&name=Bea&x=1",
      "output": "name=Ada&name=Bea&x=1",
      "input_codepoints": "U+006E U+0061 U+006D U+0065 U+003D U+0041 U+0064 U+0061 U+0026 U+006E U+0061 U+006D U+0065 U+003D U+0042 U+0065 U+0061 U+0026 U+0078 U+003D U+0031",
      "output_codepoints": "U+006E U+0061 U+006D U+0065 U+003D U+0041 U+0064 U+0061 U+0026 U+006E U+0061 U+006D U+0065 U+003D U+0042 U+0065 U+0061 U+0026 U+0078 U+003D U+0031",
      "status": "No selected invisible characters found",
      "before": {
        "original": [
          [
            "name",
            "Ada"
          ],
          [
            "name",
            "Bea"
          ],
          [
            "x",
            "1"
          ]
        ],
        "updated": [
          [
            "name",
            "Cy"
          ],
          [
            "x",
            "1"
          ]
        ],
        "serialized": "name=Cy&x=1"
      },
      "after": {
        "original": [
          [
            "name",
            "Ada"
          ],
          [
            "name",
            "Bea"
          ],
          [
            "x",
            "1"
          ]
        ],
        "updated": [
          [
            "name",
            "Cy"
          ],
          [
            "x",
            "1"
          ]
        ],
        "serialized": "name=Cy&x=1"
      }
    },
    {
      "label": "Encoded marker key",
      "stage": "direct string",
      "mode": "keep",
      "enabled": true,
      "input": "na%E2%80%8Bme=Ada&name=Bea&x=1",
      "output": "na%E2%80%8Bme=Ada&name=Bea&x=1",
      "input_codepoints": "U+006E U+0061 U+0025 U+0045 U+0032 U+0025 U+0038 U+0030 U+0025 U+0038 U+0042 U+006D U+0065 U+003D U+0041 U+0064 U+0061 U+0026 U+006E U+0061 U+006D U+0065 U+003D U+0042 U+0065 U+0061 U+0026 U+0078 U+003D U+0031",
      "output_codepoints": "U+006E U+0061 U+0025 U+0045 U+0032 U+0025 U+0038 U+0030 U+0025 U+0038 U+0042 U+006D U+0065 U+003D U+0041 U+0064 U+0061 U+0026 U+006E U+0061 U+006D U+0065 U+003D U+0042 U+0065 U+0061 U+0026 U+0078 U+003D U+0031",
      "status": "No selected invisible characters found",
      "before": {
        "original": [
          [
            "na​me",
            "Ada"
          ],
          [
            "name",
            "Bea"
          ],
          [
            "x",
            "1"
          ]
        ],
        "updated": [
          [
            "na​me",
            "Ada"
          ],
          [
            "name",
            "Cy"
          ],
          [
            "x",
            "1"
          ]
        ],
        "serialized": "na%E2%80%8Bme=Ada&name=Cy&x=1"
      },
      "after": {
        "original": [
          [
            "na​me",
            "Ada"
          ],
          [
            "name",
            "Bea"
          ],
          [
            "x",
            "1"
          ]
        ],
        "updated": [
          [
            "na​me",
            "Ada"
          ],
          [
            "name",
            "Cy"
          ],
          [
            "x",
            "1"
          ]
        ],
        "serialized": "na%E2%80%8Bme=Ada&name=Cy&x=1"
      }
    },
    {
      "label": "Absent target",
      "stage": "direct string",
      "mode": "keep",
      "enabled": true,
      "input": "x=1",
      "output": "x=1",
      "input_codepoints": "U+0078 U+003D U+0031",
      "output_codepoints": "U+0078 U+003D U+0031",
      "status": "No selected invisible characters found",
      "before": {
        "original": [
          [
            "x",
            "1"
          ]
        ],
        "updated": [
          [
            "x",
            "1"
          ],
          [
            "name",
            "Cy"
          ]
        ],
        "serialized": "x=1&name=Cy"
      },
      "after": {
        "original": [
          [
            "x",
            "1"
          ]
        ],
        "updated": [
          [
            "x",
            "1"
          ],
          [
            "name",
            "Cy"
          ]
        ],
        "serialized": "x=1&name=Cy"
      }
    }
  ]
}