BREAKING CHANGE(smartproxy): Remove legacy migration utilities and deprecated forwarding helpers; consolidate route utilities, streamline interface definitions, and normalize IPv6-mapped IPv4 addresses

ts/proxies/smart-proxy/route-manager.ts

@@ -6,12 +6,7 @@ import type {
   TPortRange
 } from './models/route-types.js';
 import type {
-  ISmartProxyOptions,
-  IRoutedSmartProxyOptions
-} from './models/interfaces.js';
-import {
-  isRoutedOptions,
-  isLegacyOptions
+  ISmartProxyOptions
 } from './models/interfaces.js';
 
 /**
@@ -29,12 +24,12 @@ export interface IRouteMatchResult {
 export class RouteManager extends plugins.EventEmitter {
   private routes: IRouteConfig[] = [];
   private portMap: Map<number, IRouteConfig[]> = new Map();
-  private options: IRoutedSmartProxyOptions;
+  private options: ISmartProxyOptions;
   
   constructor(options: ISmartProxyOptions) {
     super();
     
-    // We no longer support legacy options, always use provided options
+    // Store options
     this.options = options;
     
     // Initialize routes from either source