{
  "testedVersion": "0.14.0",
  "testedCommit": "48034b1fcb1eb28e88173f3568e4b09cf6670b1d",
  "priorV091Fixture": {
    "failure": {
      "code": "ERR_SQLITE_ERROR",
      "sqliteCode": 5,
      "operation": "archiveCold UPDATE records"
    },
    "cause": "UNKNOWN",
    "audit": {
      "snapshotHashMatches": true,
      "snapshotSha256": {
        "index.db": "8416e98ec3ca14d4296f9916f8c5a1d357a3d7fd31dcc6d22a787a9d89303614",
        "index.db-wal": "6c0c86266b7f41ca3b6b963722cd7a77d861351670b293a755f17e66959b1272",
        "index.db-shm": "74ae80431d600e2b703de57f81335fa780a6dc7473557fe1e962515d20aebaf9"
      },
      "integrityCheck": [
        "ok"
      ],
      "recordCount": 300,
      "coldCount": 109,
      "hotCount": 191,
      "missingIndexedBodyPaths": 1,
      "missingWithColdAlternative": 1,
      "missingWithHotAlternative": 0,
      "pathsOutsideOriginalFixture": 0,
      "originalCause": "UNKNOWN"
    },
    "missingIndexedBodyHasOneColdAlternative": true,
    "alternativeBytes": 2337,
    "alternativeContainsSyntheticTurnText": true,
    "note": "Original failure files were copied and hash-checked; original store was not retried or repaired."
  },
  "v014InitialBenchmarkFailure": {
    "failure": {
      "code": "ERR_SQLITE_ERROR",
      "sqliteCode": 5,
      "operation": "write BEGIN IMMEDIATE"
    },
    "failureLogSha256": "df91e0b42aa0643f71d9b38de2bd61ff3b74996cc6f14dc68e86b267dee7f684",
    "fixture": "workspace temporary directory",
    "storeRetention": "The unmodified scale-bench finally block removed its throwaway store after the exception."
  },
  "v014InstrumentedReproduction": {
    "audit": {
      "integrityCheck": [
        "ok"
      ],
      "indexedRecords": 2440,
      "recordFiles": 2441,
      "unindexedRecordFiles": 1,
      "missingIndexedBodyFiles": 0,
      "lsofCommandsAtError": [
        "node"
      ],
      "lsofStatus": 0,
      "lsofLimitation": "Snapshot after error; a short-lived lock holder could have exited before capture.",
      "errorOperation": "exec: BEGIN IMMEDIATE",
      "sqliteCode": 5,
      "message": "database is locked"
    },
    "note": "Independent synthetic 100M capacity attempt with a diagnostic preload that captures lsof after SQLITE_BUSY and preserves the fixture. Not a performance measurement.",
    "cause": "UNKNOWN"
  },
  "forcedContentionArchive": {
    "sqliteBusyTimeoutMs": 0,
    "error": {
      "code": "ERR_SQLITE_ERROR",
      "sqliteCode": 5,
      "message": "database is locked"
    },
    "elapsedMs": 1,
    "databaseStillPointsToOriginalPath": true,
    "databaseStillMarksHot": true,
    "indexedBodyExists": false,
    "coldBodyExists": true,
    "coldBodyMatchesOriginal": true,
    "rootCauseOfHistoricalIncident": "UNKNOWN",
    "lockHolderExitCode": 0,
    "readFallsBackToSummary": true,
    "originalColdBodyPresentBeforeRetry": true,
    "coldBodyBytesAfterRetry": 0,
    "originalBodyPreservedAfterRetry": false
  },
  "forcedContentionWrite": {
    "error": {
      "code": "ERR_SQLITE_ERROR",
      "sqliteCode": 5,
      "message": "database is locked"
    },
    "lockHolderExitCode": 0,
    "storedSummary": "old summary",
    "bodyChangedDespiteFailedWrite": true
  },
  "portableDiagnostics": {
    "node24": {
      "archive": {
        "sqliteBusyTimeoutMs": 0,
        "error": {
          "code": "ERR_SQLITE_ERROR",
          "sqliteCode": 5,
          "message": "database is locked"
        },
        "elapsedMs": 0,
        "indexedBodyExistsAfterFailure": false,
        "databaseStillMarksHot": true,
        "coldBodyMatchesOriginalAfterFailure": true,
        "lockHolderExitCode": 0,
        "readFallsBackToSummary": true,
        "coldBodyBytesAfterRetry": 0,
        "originalBodyPreservedAfterRetry": false
      },
      "write": {
        "error": {
          "code": "ERR_SQLITE_ERROR",
          "sqliteCode": 5,
          "message": "database is locked"
        },
        "lockHolderExitCode": 0,
        "storedSummary": "old summary",
        "bodyChangedDespiteFailedWrite": true
      }
    },
    "node25": {
      "archive": {
        "sqliteBusyTimeoutMs": 0,
        "error": {
          "code": "ERR_SQLITE_ERROR",
          "sqliteCode": 5,
          "message": "database is locked"
        },
        "elapsedMs": 0,
        "indexedBodyExistsAfterFailure": false,
        "databaseStillMarksHot": true,
        "coldBodyMatchesOriginalAfterFailure": true,
        "lockHolderExitCode": 0,
        "readFallsBackToSummary": true,
        "coldBodyBytesAfterRetry": 0,
        "originalBodyPreservedAfterRetry": false
      },
      "write": {
        "error": {
          "code": "ERR_SQLITE_ERROR",
          "sqliteCode": 5,
          "message": "database is locked"
        },
        "lockHolderExitCode": 0,
        "storedSummary": "old summary",
        "bodyChangedDespiteFailedWrite": true
      }
    }
  },
  "diagnosticScriptsSha256": {
    "scripts/sqlite-lock-diagnostic.mjs": "d4384c4a3ba63fde59828e3dc1e37cd4aa34c1851f6f06ff46b5e4bb988df27f",
    "scripts/sqlite-write-lock-diagnostic.mjs": "497182d16da3af407afa4ab6a74c65a75f38ae00577d3e6810ad97a3d0970ec1"
  },
  "limitations": [
    "lsof was sampled after the error, so a transient prior lock holder could be absent.",
    "The intentional competing-writer tests establish failure behavior, not the actual historical lock owner.",
    "SQLite integrity_check does not test whether indexed paths and record files agree.",
    "The v0.14.0 product code has not been changed by this investigation."
  ]
}