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

ts/forwarding/config/index.ts

@@ -5,5 +5,22 @@
  * See /ts/proxies/smart-proxy/models/route-types.ts for the new route-based configuration.
  */
 
-export * from './forwarding-types.js';
-export * from '../../proxies/smart-proxy/utils/route-helpers.js';
+export type { 
+  TForwardingType,
+  IForwardConfig,
+  IForwardingHandler
+} from './forwarding-types.js';
+
+export { 
+  ForwardingHandlerEvents
+} from './forwarding-types.js';
+
+// Import route helpers from route-patterns instead of deleted route-helpers
+export {
+  createHttpRoute,
+  createHttpsTerminateRoute,
+  createHttpsPassthroughRoute,
+  createHttpToHttpsRedirect,
+  createCompleteHttpsServer,
+  createLoadBalancerRoute
+} from '../../proxies/smart-proxy/utils/route-patterns.js';