{
  "schema": "perfowl.startup-drain-e4-anonymous/1",
  "date": "2026-09-14",
  "evidence": "E4 command-level",
  "status": "partial",
  "privacy": "anonymous-no-device-app-process-identifiers",
  "subject": {
    "device": "设备 A",
    "targetApp": "目标 App A",
    "transport": "USB",
    "build": "Build53",
    "collectorCoreProbe": {
      "ready": true,
      "metricContractCount": 64,
      "sourceFamilyCount": 9,
      "availableCapabilities": 9
    }
  },
  "contract": {
    "capturePlan": "all-supported-registry-metrics",
    "startupWindow": "bootstrap + postActivationLive",
    "startupAlgorithm": "core-profile-app-lifecycle.candidate.v8",
    "reorderWindowNs": 5000000,
    "startupTapBufferMode": 0,
    "completionGraceSeconds": 4.0,
    "frameTap": "serial-frame-only-after-startup-drain",
    "stopSeal": "writer-seal.v1"
  },
  "rounds": [
    {
      "round": 1,
      "totalDurationMs": 1864.78325,
      "totalQuality": "candidate",
      "liveRevision": 6,
      "liveComplete": true,
      "phaseResults": {
        "System Interface Initialization": 43.504833,
        "Static Runtime Initialization": 62.176291,
        "UIKit Initialization": 20.763291,
        "UIKit Scene Creation": 4.617833,
        "willFinishLaunchingWithOptions()": null,
        "didFinishLaunchingWithOptions()": 1458.666583,
        "sceneWillConnectTo()": null,
        "sceneWillEnterForeground()": null,
        "Initial Frame Rendering": 172.857708
      },
      "missingReasons": {
        "willFinishLaunchingWithOptions()": "phase-not-observed",
        "sceneWillConnectTo()": "phase-boundary-incomplete",
        "sceneWillEnterForeground()": "phase-not-observed"
      },
      "sourceQuality": {
        "liveQueueDropCount": 0,
        "prelaunchRingOverwriteCount": 0,
        "lossFree": true,
        "launchCoverageIntact": true
      },
      "coreProfileDrain": "quiescent",
      "reportSeal": {
        "dataCompleteness": "complete",
        "finalRawSequence": 261,
        "reportConsumedRawSequence": 261,
        "reportSHA256": "c19afcc393318b911fd20aa086f9b5bff80f57181b5b1602ceb7742b75897c6e"
      }
    },
    {
      "round": 2,
      "totalDurationMs": 1831.137791,
      "totalQuality": "candidate",
      "liveRevision": 5,
      "liveComplete": true,
      "phaseResults": {
        "System Interface Initialization": 43.788666,
        "Static Runtime Initialization": 48.765625,
        "UIKit Initialization": 13.721833,
        "UIKit Scene Creation": 3.559916,
        "willFinishLaunchingWithOptions()": null,
        "didFinishLaunchingWithOptions()": 1457.181333,
        "sceneWillConnectTo()": null,
        "sceneWillEnterForeground()": null,
        "Initial Frame Rendering": 161.355291
      },
      "missingReasons": {
        "willFinishLaunchingWithOptions()": "phase-not-observed",
        "sceneWillConnectTo()": "phase-boundary-incomplete",
        "sceneWillEnterForeground()": "phase-not-observed"
      },
      "sourceQuality": {
        "liveQueueDropCount": 0,
        "prelaunchRingOverwriteCount": 0,
        "lossFree": true,
        "launchCoverageIntact": true
      },
      "coreProfileDrain": "quiescent",
      "reportSeal": {
        "dataCompleteness": "complete",
        "finalRawSequence": 880,
        "reportConsumedRawSequence": 880,
        "reportSHA256": "7ea0ea4083a357cad9c21347bed0b683c979cb2a46420d96b7ef0476fd961170"
      }
    }
  ],
  "acceptance": {
    "corePhaseCoverage": "6/6 in both rounds",
    "conditionalPhaseCoverage": "3 phases remain genuinely missing in both rounds",
    "startupLiveQueueDrops": "0/0",
    "reportSeal": "2/2 complete",
    "conclusion": "Build53 two-round startup drain and report seal are E4 command-level evidence; nine-phase full coverage and native UI timing gates remain partial."
  },
  "artifacts": {
    "app": "MacApp/dist/Perfowl.app",
    "zip": {
      "path": "MacApp/dist/Perfowl-internal-test-Build53-x86_64.zip",
      "bytes": 109107568,
      "sha256": "28bdfcddac86eba6b5a25f817c37a59f5799c9da2e3691fb3013c6810342782"
    },
    "dmg": {
      "path": "MacApp/dist/Perfowl-internal-test-Build53-x86_64.dmg",
      "bytes": 139718682,
      "sha256": "21facf1e1c51ddcc50c22aee351347b5e13fcecaa6c5c98e616a92a14c0898dc"
    },
    "signature": "Developer ID Application; app and DMG strict verification passed",
    "notarization": "not performed: no configured notary profile",
    "gatekeeper": "not accepted as notarized release"
  }
}