metrics

type Registry struct {
	// HTTP Metrics
	HTTPRequestsTotal     *prometheus.CounterVec
	HTTPRequestDuration   *prometheus.HistogramVec
	HTTPRequestsInFlight  prometheus.Gauge
	HTTPResponseSizeBytes *prometheus.HistogramVec

	// Storage Metrics
	StorageNodesTotal        prometheus.Gauge
	StorageEdgesTotal        prometheus.Gauge
	StorageOperationsTotal   *prometheus.CounterVec
	StorageOperationDuration *prometheus.HistogramVec
	StorageDiskUsageBytes    prometheus.Gauge

	// Query Metrics
	QueriesTotal      *prometheus.CounterVec
	QueryDuration     *prometheus.HistogramVec
	QueryNodesScanned *prometheus.HistogramVec
	QueryEdgesScanned *prometheus.HistogramVec
	SlowQueries       *prometheus.CounterVec

	// Cluster Metrics (HA)
	ClusterNodesTotal        prometheus.Gauge
	ClusterHealthyNodesTotal prometheus.Gauge
	ClusterHasQuorum         prometheus.Gauge
	ClusterElectionsTotal    *prometheus.CounterVec
	ClusterElectionDuration  prometheus.Histogram
	ClusterEpoch             prometheus.Gauge
	ClusterTerm              prometheus.Gauge
	ClusterRole              *prometheus.GaugeVec

	// Licensing Metrics
	LicenseValid            prometheus.Gauge
	LicenseExpiresAt        prometheus.Gauge
	LicenseValidationErrors prometheus.Counter

	// Security Metrics
	AuthFailuresTotal                prometheus.Counter
	SecurityEncryptionEnabled        prometheus.Gauge
	SecurityKeyLastRotationTimestamp prometheus.Gauge
	SecurityTLSEnabled               prometheus.Gauge
	SecurityTLSCertExpiryTimestamp   prometheus.Gauge
	SecurityAuditExportFailuresTotal prometheus.Counter
	SecuritySuspiciousEventsTotal    prometheus.Counter
	SecurityUnauthorizedAccessTotal  prometheus.Counter
	SecurityHealthStatus             prometheus.Gauge

	// System Metrics
	UptimeSeconds    prometheus.Gauge
	GoRoutines       prometheus.Gauge
	MemoryAllocBytes prometheus.Gauge
	MemorySysBytes   prometheus.Gauge
	// contains filtered or unexported fields
}