{
  "date": "2026-10-15",
  "scope": "Production diagnosis using a read-only application account and read-only SSH/system/PostgreSQL inspection. No production deployment or configuration changes.",
  "productionVersion": "2.0.0",
  "map": {
    "cause": "PostgreSQL polledAt text with explicit offset is rejected by the ISO-only map validator; the whole topology snapshot is discarded.",
    "before": {
      "serverValidationErrors": 4,
      "field": "polledAt",
      "error": "invalid_format"
    },
    "localFix": {
      "preservesExplicitTimeZone": true,
      "rejectsMissingZoneAndInvalidCalendarDate": true,
      "exactPrivateResponseAccepted": {
        "servers": 4,
        "tunnels": 25,
        "probes": 0
      }
    },
    "checks": {
      "unitPassed": 6,
      "e2ePassed": 13,
      "typescript": "passed",
      "scopedEslint": "passed"
    },
    "deployed": false
  },
  "traffic": {
    "confirmed": "REST history/list/detail load once per scope/retry; live SSE keeps updating separately. History can become stale while live rate is current.",
    "calculationNotYetFullyAccepted": true,
    "rawResponsesPrivate": true
  },
  "performance": {
    "host": {
      "vcpu": 1,
      "memoryMiB": 1973,
      "swapMiB": 0,
      "loadAverage": [
        4.62,
        4.87,
        5.09
      ],
      "rootUsedPercent": 46
    },
    "sample": {
      "postgresCpuPercent": 66.51,
      "postgresMemory": "642.6MiB",
      "backendCpuPercent": 3.26,
      "cpuIdlePercent": 0,
      "ioWaitPercent": [
        34,
        29
      ]
    },
    "schedulerRuns": {
      "estimatedLiveRows": 1064090,
      "tableSize": "853 MB",
      "indexes": "primary key and (job_key, started_at), no finished_at index",
      "observedActiveQuery": "DELETE FROM scheduler_runs WHERE finished_at < $1",
      "wait": "IO/AioIoCompletion",
      "retention": "30 days after every recorded scheduler job",
      "explainEquivalentSelect": "Gather / Parallel Seq Scan"
    },
    "tcpConnectMsByAnonymousServerId": {
      "1": 36,
      "2": 3,
      "3": 50,
      "4": 6
    },
    "limits": [
      "TCP connect success does not prove TLS/REST authentication or rule out previous failures.",
      "The native HTTP client timeout also includes time queued in maxSockets=2; actual queue delay has not been measured.",
      "Database temp-byte and deadlock counters are cumulative with an unknown reset epoch; not attributed to this release.",
      "No proof that database pressure alone caused every REST timeout."
    ]
  }
}