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

ts/proxies/smart-proxy/port-range-manager.ts

@@ -1,10 +1,10 @@
-import type { SmartProxyOptions } from './models/interfaces.js';
+import type { ISmartProxyOptions } from './models/interfaces.js';
 
 /**
  * Manages port ranges and port-based configuration
  */
 export class PortRangeManager {
-  constructor(private settings: SmartProxyOptions) {}
+  constructor(private settings: ISmartProxyOptions) {}
   
   /**
    * Get all ports that should be listened on