chore: fix types

Author: yimingjfe

packages/server/create-request/src/types.ts

@@ -12,18 +12,18 @@ export type BFFRequestPayload = {
   files?: Record<string, any>;
 };
 
-// Narrowed cross-env request typings to avoid DOM/undici Request conflicts
-export type FetchInput = string | URL;
+// Browser-aligned typings so native fetch is assignable
+export type FetchInput = RequestInfo | URL;
 
 export interface RequestInitLike {
   method?: string;
-  headers?: Record<string, any> | [string, string][] | Headers;
-  body?: unknown;
+  headers?: HeadersInit;
+  body?: BodyInit | null | undefined;
 }
 
 export type FetchLike = (
   input: FetchInput,
-  init?: RequestInitLike,
+  init?: RequestInit | RequestInitLike,
 ) => Promise<any>;
 
 export type Sender<F = FetchLike> = ((...args: any[]) => Promise<any>) & {