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-connection-handler.ts

@@ -3,9 +3,7 @@ import type {
   IConnectionRecord,
   ISmartProxyOptions
 } from './models/interfaces.js';
-import {
-  isRoutedOptions
-} from './models/interfaces.js';
+// Route checking functions have been removed
 import type {
   IRouteConfig,
   IRouteAction,
@@ -316,7 +314,6 @@ export class RouteConnectionHandler {
         return this.setupDirectConnection(
           socket,
           record,
-          undefined,
           serverName,
           initialChunk,
           undefined,
@@ -457,7 +454,6 @@ export class RouteConnectionHandler {
           return this.setupDirectConnection(
             socket,
             record,
-            undefined,
             record.lockedDomain,
             initialChunk,
             undefined,
@@ -538,7 +534,6 @@ export class RouteConnectionHandler {
       return this.setupDirectConnection(
         socket,
         record,
-        undefined,
         record.lockedDomain,
         initialChunk,
         undefined,
@@ -656,17 +651,12 @@ export class RouteConnectionHandler {
     this.connectionManager.initiateCleanupOnce(record, 'route_blocked');
   }
   
-  /**
-   * Legacy connection handling has been removed in favor of pure route-based approach
-   */
-  
   /**
    * Sets up a direct connection to the target
    */
   private setupDirectConnection(
     socket: plugins.net.Socket,
     record: IConnectionRecord,
-    _unused?: any, // kept for backward compatibility
     serverName?: string,
     initialChunk?: Buffer,
     overridePort?: number,