fix(typescript): Refactor types and interfaces to use consistent I prefix and update related tests

ts/forwarding/handlers/http-handler.ts

@@ -1,6 +1,6 @@
 import * as plugins from '../../plugins.js';
 import { ForwardingHandler } from './base-handler.js';
-import type { ForwardConfig } from '../config/forwarding-types.js';
+import type { IForwardConfig } from '../config/forwarding-types.js';
 import { ForwardingHandlerEvents } from '../config/forwarding-types.js';
 
 /**
@@ -11,14 +11,23 @@ export class HttpForwardingHandler extends ForwardingHandler {
    * Create a new HTTP forwarding handler
    * @param config The forwarding configuration
    */
-  constructor(config: ForwardConfig) {
+  constructor(config: IForwardConfig) {
     super(config);
-    
+
     // Validate that this is an HTTP-only configuration
     if (config.type !== 'http-only') {
       throw new Error(`Invalid configuration type for HttpForwardingHandler: ${config.type}`);
     }
   }
+
+  /**
+   * Initialize the handler
+   * HTTP handler doesn't need special initialization
+   */
+  public async initialize(): Promise<void> {
+    // Basic initialization from parent class
+    await super.initialize();
+  }
   
   /**
    * Handle a raw socket connection