Interface DiagnosticServerHealthSnapshot

interface DiagnosticServerHealthSnapshot {
    cacheStats: {
        approxBytes?: number;
        enabled: boolean;
        entryCount: number;
        hitCount?: number;
        missCount?: number;
    };
    databasePool?: {
        activeConnections: number;
        idleConnections: number;
        totalConnections: number;
        waitingRequests: number;
    };
    eventLoopLagP95Ms: number;
    eventLoopLagP99Ms?: number;
    memory: {
        arrayBuffersBytes?: number;
        externalBytes: number;
        heapTotalBytes: number;
        heapUsedBytes: number;
        rssBytes: number;
    };
    startupSummary?: {
        phaseDurationsMs: Record<string, number>;
        totalStartupMs: number;
    };
    timestamp: string;
    uptimeSeconds: number;
}