feat(response): Add streamNode() method for Node.js stream support; update tests

ts/core_base/response.ts

@@ -42,4 +42,9 @@ export abstract class CoreResponse<T = any> implements types.ICoreResponse<T> {
    * Get response as a web-style ReadableStream
    */
   abstract stream(): ReadableStream<Uint8Array> | null;
+
+  /**
+   * Get response as a Node.js stream (throws in browser)
+   */
+  abstract streamNode(): NodeJS.ReadableStream | never;
 }

ts/core_base/types.ts

@@ -86,4 +86,5 @@ export interface ICoreResponse<T = any> {
   text(): Promise<string>;
   arrayBuffer(): Promise<ArrayBuffer>;
   stream(): ReadableStream<Uint8Array> | null; // Always returns web-style stream
+  streamNode(): NodeJS.ReadableStream | never; // Returns Node.js stream or throws in browser
 }

ts/core_fetch/types.ts

@@ -7,9 +7,6 @@ export * from '../core_base/types.js';
  * Fetch-specific response extensions
  */
 export interface IFetchResponse<T = any> extends baseTypes.ICoreResponse<T> {
-  // Node.js stream method that throws in browser
-  streamNode(): never;
-
   // Access to raw Response object
   raw(): Response;
 }

ts/core_node/types.ts

@@ -16,9 +16,6 @@ export interface IExtendedIncomingMessage<T = any>
  * Node.js specific response extensions
  */
 export interface INodeResponse<T = any> extends baseTypes.ICoreResponse<T> {
-  // Node.js specific methods
-  streamNode(): NodeJS.ReadableStream; // Returns Node.js style stream
-
   // Legacy compatibility
   raw(): plugins.http.IncomingMessage;
 }