fix(strcuture): refactor responsibilities

ts/routing/router/index.ts

@@ -0,0 +1,12 @@
+/**
+ * HTTP routing
+ */
+
+// Export selectively to avoid ambiguity between duplicate type names
+export { ProxyRouter } from './proxy-router.js';
+export type { IPathPatternConfig } from './proxy-router.js';
+// Re-export the RouterResult and PathPatternConfig from proxy-router.js (legacy names maintained for compatibility)
+export type { PathPatternConfig as ProxyPathPatternConfig, RouterResult as ProxyRouterResult } from './proxy-router.js';
+
+export { RouteRouter } from './route-router.js';
+export type { PathPatternConfig as RoutePathPatternConfig, RouterResult as RouteRouterResult } from './route-router.js';