feat(opsserver): add real-time log push to ops dashboard and recent DNS query tracking

ts/monitoring/classes.metricsmanager.ts

@@ -36,6 +36,7 @@ export class MetricsManager {
     lastResetDate: new Date().toDateString(),
     queryTimestamps: [] as number[], // Track query timestamps for rate calculation
     responseTimes: [] as number[], // Track response times in ms
+    recentQueries: [] as Array<{ timestamp: number; domain: string; type: string; answered: boolean; responseTimeMs: number }>,
   };
   
   // Per-minute time-series buckets for charts
@@ -95,6 +96,7 @@ export class MetricsManager {
         this.dnsMetrics.topDomains.clear();
         this.dnsMetrics.queryTimestamps = [];
         this.dnsMetrics.responseTimes = [];
+        this.dnsMetrics.recentQueries = [];
         this.dnsMetrics.lastResetDate = currentDate;
       }
       
@@ -228,6 +230,7 @@ export class MetricsManager {
         queryTypes: this.dnsMetrics.queryTypes,
         averageResponseTime: Math.round(avgResponseTime),
         activeDomains: this.dnsMetrics.topDomains.size,
+        recentQueries: this.dnsMetrics.recentQueries.slice(),
       };
     });
   }
@@ -392,9 +395,21 @@ export class MetricsManager {
   }
   
   // DNS event tracking methods
-  public trackDnsQuery(queryType: string, domain: string, cacheHit: boolean, responseTimeMs?: number): void {
+  public trackDnsQuery(queryType: string, domain: string, cacheHit: boolean, responseTimeMs?: number, answered?: boolean): void {
     this.dnsMetrics.totalQueries++;
     this.incrementDnsBucket();
+
+    // Store recent query entry
+    this.dnsMetrics.recentQueries.push({
+      timestamp: Date.now(),
+      domain,
+      type: queryType,
+      answered: answered ?? true,
+      responseTimeMs: responseTimeMs ?? 0,
+    });
+    if (this.dnsMetrics.recentQueries.length > 100) {
+      this.dnsMetrics.recentQueries.shift();
+    }
     
     if (cacheHit) {
       this.dnsMetrics.cacheHits++;