feat(remoteingress): add remote ingress performance configuration and expose tunnel transport metrics

ts/config/classes.route-config-manager.ts

@@ -59,7 +59,7 @@ export class RouteConfigManager {
     private getHttp3Config?: () => IHttp3Config | undefined,
     private getVpnClientIpsForRoute?: (route: IDcRouterRouteConfig, routeId?: string) => TIpAllowEntry[],
     private referenceResolver?: ReferenceResolver,
-    private onRoutesApplied?: (routes: plugins.smartproxy.IRouteConfig[]) => void,
+    private onRoutesApplied?: (routes: plugins.smartproxy.IRouteConfig[]) => void | Promise<void>,
     private getRuntimeRoutes?: () => plugins.smartproxy.IRouteConfig[],
     private hydrateStoredRoute?: (storedRoute: IRoute) => plugins.smartproxy.IRouteConfig | undefined,
   ) {}
@@ -540,7 +540,7 @@ export class RouteConfigManager {
 
       // Notify listeners (e.g. RemoteIngressManager) of the route set
       if (this.onRoutesApplied) {
-        this.onRoutesApplied(enabledRoutes);
+        await this.onRoutesApplied(enabledRoutes);
       }
 
       logger.log('info', `Applied ${enabledRoutes.length} routes to SmartProxy (${this.routes.size} total)`);