{
  "schema": "perfowl.build55-coreprofile-runtime-degradation-e2-anonymous/1",
  "date": "2026-09-16",
  "evidence": "E2 build and static contract",
  "status": "partial",
  "privacy": "anonymous-no-device-app-process-identifiers",
  "change": {
    "degradationArchitecture": "CoreProfile/kperf conflicts gracefully degraded without raising fatal RuntimeError or failing Session",
    "startupTimingHandling": "explicitly marked unavailable with clear reason when CoreProfile fails",
    "frameTimeHandling": "marked unavailable or partial without duplicate start attempts",
    "prewarmCollectDecoupling": "prewarm arms all transports once; draft changes do not reprepare or restart prewarm; start respects CapturePlan",
    "singleColdLaunchGuarantee": "strictly exactly one cold launch request per session",
    "delayedAvailableCapability": "capabilities available=True emitted only after first valid chunk"
  },
  "verification": {
    "swiftTests": {"executed": 145, "failed": 0, "skipped": 3},
    "pythonTests": {"executed": 388, "failed": 0},
    "collectorCoreProbe": {
      "ready": true,
      "metricContractCount": 63,
      "sourceFamilyCount": 9,
      "pymobiledevice3": "11.3.1"
    },
    "app": {
      "path": "MacApp/dist/Perfowl.app",
      "build": "55",
      "architecture": "x86_64",
      "executableSHA256": "a71a1f4d2f5ad4a0a6682e1f51cf3ec5534e14a0b5e4b8d86a0385a073745226",
      "signature": "Developer ID Application",
      "strictVerify": true
    },
    "zip": {
      "path": "MacApp/dist/Perfowl-internal-test-Build55-x86_64.zip",
      "bytes": 109169410,
      "sha256": "11a3a19f3bfafa418817076a025110678eac8c2bffcc064b0b46fd8524666121"
    },
    "dmg": {
      "path": "MacApp/dist/Perfowl-internal-test-Build55-x86_64.dmg",
      "bytes": 139739822,
      "sha256": "e3243acd50beadc1774c4d7613cb980b7fe3716d410fd409addbbd168037a97e",
      "signature": "Developer ID Application",
      "strictVerify": true,
      "hdiutilVerify": true
    }
  },
  "openGates": [
    "notary-profile-and-stapling",
    "gatekeeper-external-release",
    "arm64-or-universal2-package",
    "iphone-15-e4-multi-round-validation",
    "gpl-review"
  ]
}