feat(nftables):add nftables support for nftables

ts/proxies/smart-proxy/utils/index.ts

@@ -5,7 +5,8 @@
  * including helpers, validators, utilities, and patterns for working with routes.
  */
 
-// Route helpers have been consolidated in route-patterns.js
+// Export route helpers for creating route configurations
+export * from './route-helpers.js';
 
 // Export route validators for validating route configurations
 export * from './route-validators.js';