{
  "date": "2026-10-26",
  "runtime": "v24.22.1",
  "versions": {
    "node": "24.22.1",
    "acorn": "8.18.0",
    "ada": "4.0.0",
    "amaro": "1.1.11",
    "ares": "1.34.9",
    "brotli": "1.2.0",
    "cldr": "48.0",
    "icu": "78.3",
    "llhttp": "9.4.3",
    "merve": "1.2.2",
    "modules": "137",
    "napi": "10",
    "nbytes": "0.1.4",
    "ncrypto": "0.0.1",
    "nghttp2": "1.70.0",
    "nghttp3": "",
    "ngtcp2": "",
    "openssl": "3.5.9",
    "simdjson": "4.6.11",
    "simdutf": "6.4.0",
    "sqlite": "3.53.4",
    "tz": "2026e",
    "undici": "7.30.1",
    "unicode": "17.0",
    "uv": "1.52.1",
    "uvwasi": "0.0.23",
    "v8": "13.6.233.17-node.58",
    "zlib": "1.3.2.1-motley-285e94b",
    "zstd": "1.5.7"
  },
  "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 day",
      "stage": "direct string",
      "mode": "keep",
      "enabled": true,
      "input": "3​1",
      "output": "31",
      "input_codepoints": "U+0033 U+200B U+0031",
      "output_codepoints": "U+0033 U+0031",
      "status": "Removed 1 invisible character",
      "before": {
        "day": "NaN",
        "initial": "Invalid Date",
        "after": "Invalid Date",
        "utcMonth": null
      },
      "after": {
        "day": "31",
        "initial": "2025-01-31T00:00:00.000Z",
        "after": "2025-03-03T00:00:00.000Z",
        "utcMonth": 2
      }
    },
    {
      "label": "January 31",
      "stage": "direct string",
      "mode": "keep",
      "enabled": true,
      "input": "31",
      "output": "31",
      "input_codepoints": "U+0033 U+0031",
      "output_codepoints": "U+0033 U+0031",
      "status": "No selected invisible characters found",
      "before": {
        "day": "31",
        "initial": "2025-01-31T00:00:00.000Z",
        "after": "2025-03-03T00:00:00.000Z",
        "utcMonth": 2
      },
      "after": {
        "day": "31",
        "initial": "2025-01-31T00:00:00.000Z",
        "after": "2025-03-03T00:00:00.000Z",
        "utcMonth": 2
      }
    },
    {
      "label": "January 28",
      "stage": "direct string",
      "mode": "keep",
      "enabled": true,
      "input": "28",
      "output": "28",
      "input_codepoints": "U+0032 U+0038",
      "output_codepoints": "U+0032 U+0038",
      "status": "No selected invisible characters found",
      "before": {
        "day": "28",
        "initial": "2025-01-28T00:00:00.000Z",
        "after": "2025-02-28T00:00:00.000Z",
        "utcMonth": 1
      },
      "after": {
        "day": "28",
        "initial": "2025-01-28T00:00:00.000Z",
        "after": "2025-02-28T00:00:00.000Z",
        "utcMonth": 1
      }
    },
    {
      "label": "January 29",
      "stage": "direct string",
      "mode": "keep",
      "enabled": true,
      "input": "29",
      "output": "29",
      "input_codepoints": "U+0032 U+0039",
      "output_codepoints": "U+0032 U+0039",
      "status": "No selected invisible characters found",
      "before": {
        "day": "29",
        "initial": "2025-01-29T00:00:00.000Z",
        "after": "2025-03-01T00:00:00.000Z",
        "utcMonth": 2
      },
      "after": {
        "day": "29",
        "initial": "2025-01-29T00:00:00.000Z",
        "after": "2025-03-01T00:00:00.000Z",
        "utcMonth": 2
      }
    }
  ]
}