fix(tests): fix tests

ts/core/models/wrapped-socket.ts

@@ -52,6 +52,9 @@ export class WrappedSocket {
         if (prop === 'setProxyInfo') {
           return target.setProxyInfo.bind(target);
         }
+        if (prop === 'remoteFamily') {
+          return target.remoteFamily;
+        }
         
         // For all other properties/methods, delegate to the underlying socket
         const value = target.socket[prop as keyof plugins.net.Socket];
@@ -89,6 +92,21 @@ export class WrappedSocket {
     return !!this.realClientIP;
   }
   
+  /**
+   * Returns the address family of the remote IP
+   */
+  get remoteFamily(): string | undefined {
+    const ip = this.realClientIP || this.socket.remoteAddress;
+    if (!ip) return undefined;
+    
+    // Check if it's IPv6
+    if (ip.includes(':')) {
+      return 'IPv6';
+    }
+    // Otherwise assume IPv4
+    return 'IPv4';
+  }
+  
   /**
    * Updates the real client information (called after parsing PROXY protocol)
    */