feat(monitoring): improve network activity metrics with live domain request rates and backend identifiers

ts_interfaces/data/stats.ts

@@ -119,6 +119,8 @@ export interface IConnectionInfo {
   state: 'connecting' | 'connected' | 'authenticated' | 'transmitting' | 'closing';
   bytesReceived: number;
   bytesSent: number;
+  /** Present when the row is an aggregate, e.g. one row per remote IP. */
+  connectionCount?: number;
 }
 
 export interface IQueueStatus {
@@ -149,7 +151,12 @@ export interface IDomainActivity {
   bytesOutPerSecond: number;
   activeConnections: number;
   routeCount: number;
+  /** Lifetime request count when available from SmartProxy. */
   requestCount: number;
+  /** Live HTTP request rate when SmartProxy exposes per-domain rates. */
+  requestsPerSecond?: number;
+  /** HTTP requests over the last minute when SmartProxy exposes per-domain rates. */
+  requestsLastMinute?: number;
 }
 
 export interface INetworkMetrics {
@@ -208,9 +215,12 @@ export interface IConnectionDetails {
   startTime: number;
   bytesIn: number;
   bytesOut: number;
+  /** Present when the row is an aggregate, e.g. one row per remote IP. */
+  connectionCount?: number;
 }
 
 export interface IBackendInfo {
+  id?: string;
   backend: string;
   domain: string | null;
   protocol: string;
@@ -250,4 +260,4 @@ export interface IVpnStats {
   registeredClients: number;
   connectedClients: number;
   wgListenPort: number;
-}
+}