fix(monitoring,remoteingress,web): Prune old metrics buckets periodically, clear metrics caches on shutdown, simplify edge disconnect handling, and optimize network view data updates

ts/monitoring/classes.metricsmanager.ts

@@ -110,6 +110,9 @@ export class MetricsManager {
         this.securityMetrics.incidents = [];
         this.securityMetrics.lastResetDate = currentDate;
       }
+
+      // Prune old time-series buckets every minute (don't wait for lazy query)
+      this.pruneOldBuckets();
     }, 60000); // Check every minute
     
     logger.log('info', 'MetricsManager started');
@@ -123,6 +126,12 @@ export class MetricsManager {
     }
 
     this.smartMetrics.stop();
+
+    // Clear caches and time-series buckets on shutdown
+    this.metricsCache.clear();
+    this.emailMinuteBuckets.clear();
+    this.dnsMinuteBuckets.clear();
+
     logger.log('info', 'MetricsManager stopped');
   }