fix(tests): fix tests

ts/proxies/smart-proxy/models/interfaces.ts

@@ -105,6 +105,13 @@ export interface ISmartProxyOptions {
   useHttpProxy?: number[]; // Array of ports to forward to HttpProxy
   httpProxyPort?: number; // Port where HttpProxy is listening (default: 8443)
 
+  // Metrics configuration
+  metrics?: {
+    enabled?: boolean;
+    sampleIntervalMs?: number;
+    retentionSeconds?: number;
+  };
+
   /**
    * Global ACME configuration options for SmartProxy
    * 

ts/proxies/smart-proxy/smart-proxy.ts

@@ -201,7 +201,10 @@ export class SmartProxy extends plugins.EventEmitter {
     this.acmeStateManager = new AcmeStateManager();
     
     // Initialize metrics collector with reference to this SmartProxy instance
-    this.metricsCollector = new MetricsCollector(this);
+    this.metricsCollector = new MetricsCollector(this, {
+      sampleIntervalMs: this.settings.metrics?.sampleIntervalMs,
+      retentionSeconds: this.settings.metrics?.retentionSeconds
+    });
   }
   
   /**