{
  "date": "2026-10-10",
  "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 wildcard",
      "stage": "direct string",
      "mode": "keep",
      "enabled": true,
      "input": "a​.b",
      "output": "a.b",
      "input_codepoints": "U+0061 U+200B U+002E U+0062",
      "output_codepoints": "U+0061 U+002E U+0062",
      "status": "Removed 1 invisible character",
      "before": {
        "raw": {
          "accepted": true,
          "matchesAxB": false,
          "matchesLiteral": true
        },
        "escaped": "\\x61​\\.b",
        "matchesAxB": false,
        "matchesLiteral": true
      },
      "after": {
        "raw": {
          "accepted": true,
          "matchesAxB": true,
          "matchesLiteral": true
        },
        "escaped": "\\x61\\.b",
        "matchesAxB": false,
        "matchesLiteral": true
      }
    },
    {
      "label": "Plain wildcard",
      "stage": "direct string",
      "mode": "keep",
      "enabled": true,
      "input": "a.b",
      "output": "a.b",
      "input_codepoints": "U+0061 U+002E U+0062",
      "output_codepoints": "U+0061 U+002E U+0062",
      "status": "No selected invisible characters found",
      "before": {
        "raw": {
          "accepted": true,
          "matchesAxB": true,
          "matchesLiteral": true
        },
        "escaped": "\\x61\\.b",
        "matchesAxB": false,
        "matchesLiteral": true
      },
      "after": {
        "raw": {
          "accepted": true,
          "matchesAxB": true,
          "matchesLiteral": true
        },
        "escaped": "\\x61\\.b",
        "matchesAxB": false,
        "matchesLiteral": true
      }
    },
    {
      "label": "Visible bracket",
      "stage": "direct string",
      "mode": "keep",
      "enabled": true,
      "input": "a[b",
      "output": "a[b",
      "input_codepoints": "U+0061 U+005B U+0062",
      "output_codepoints": "U+0061 U+005B U+0062",
      "status": "No selected invisible characters found",
      "before": {
        "raw": {
          "accepted": false,
          "errorName": "SyntaxError"
        },
        "escaped": "\\x61\\[b",
        "matchesAxB": false,
        "matchesLiteral": true
      },
      "after": {
        "raw": {
          "accepted": false,
          "errorName": "SyntaxError"
        },
        "escaped": "\\x61\\[b",
        "matchesAxB": false,
        "matchesLiteral": true
      }
    },
    {
      "label": "Plain letters",
      "stage": "direct string",
      "mode": "keep",
      "enabled": true,
      "input": "ab",
      "output": "ab",
      "input_codepoints": "U+0061 U+0062",
      "output_codepoints": "U+0061 U+0062",
      "status": "No selected invisible characters found",
      "before": {
        "raw": {
          "accepted": true,
          "matchesAxB": false,
          "matchesLiteral": true
        },
        "escaped": "\\x61b",
        "matchesAxB": false,
        "matchesLiteral": true
      },
      "after": {
        "raw": {
          "accepted": true,
          "matchesAxB": false,
          "matchesLiteral": true
        },
        "escaped": "\\x61b",
        "matchesAxB": false,
        "matchesLiteral": true
      }
    }
  ]
}