{
  "tests": {
    "total": 67,
    "passed": 67,
    "failed": 0,
    "skipped": 0,
    "uiTests": 33
  },
  "node": {
    "version": "v22.12.0",
    "icu": "76.1",
    "iana": "2024b",
    "listedZones": 417,
    "testedZones": 421,
    "instantZoneCases": 14314,
    "civilMonthCases": 10104,
    "offsetTransitions2026": 264,
    "independentOracle": "Python stdlib ZoneInfo + PyPI tzdata 2024.2 / IANA 2024b; independently calculated fixture"
  },
  "browser": {
    "status": "passed",
    "userAgent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/154.0.0.0 Safari/537.36",
    "listedZones": 418,
    "testedZones": 422,
    "instants": 34,
    "cases": 14348,
    "failures": [],
    "check": "Actual browser UTC/local roundtrip and astronomy/UTC-boundary invariants; not an independent timezone-rules oracle"
  },
  "math": {
    "referencePositionInstants": 4510,
    "referenceIntervalAnchors": 562,
    "referenceIntervals": 1686,
    "referenceEndpoints": 3372,
    "exactBeforeAtBoundaryChecks": 6744,
    "consecutive2026Intervals": {
      "tithi": 372,
      "nakshatra": 362,
      "pada": 1447
    },
    "majorZones": 24,
    "inverseMonthWindows": 192,
    "angleQueries": 6720,
    "dragPaths": 48,
    "dragMoves": 4320,
    "deviceZoneDefaults": 24,
    "uiZoneEditsAcrossCalendarEdges": 72
  },
  "initialFindings": [
    {
      "kind": "test expectation",
      "failure": "Device-zone assertion expected literal Asia/Kolkata; Intl correctly returned equivalent Asia/Calcutta.",
      "fix": "Assert the runtime canonical zone and equivalent UTC/local behavior, retaining alias roundtrip coverage."
    },
    {
      "kind": "performance",
      "finding": "Timezone validation constructed a new Intl formatter even when the requested formatter was cached.",
      "fix": "Validate only on cache miss. All independent timezone and application checks retain their results.",
      "beforeCoreLoopsSeconds": 64.788,
      "afterCoreLoopsSeconds": 6.01
    }
  ],
  "limits": [
    "Finite samples and invariants are not a proof of ephemeris accuracy at every instant.",
    "Independent timezone rules fixtures are pinned to IANA 2024b and Node 22.12.0 / ICU 76.1. Regenerate when changing rules versions.",
    "Chrome has 418 listed zones; its 14348 cases are runtime roundtrip/UTC invariants, not a second independent timezone-rules oracle.",
    "Future timezone policies and leap seconds can change. Physical touchscreen/full screen-reader certification remain unperformed."
  ]
}