update

ts/core_fetch/response.ts

@@ -69,6 +69,13 @@ export class CoreResponse<T = any> extends AbstractCoreResponse<T> implements ty
     return this.response.body;
   }
 
+  /**
+   * Node.js stream method - not available in browser
+   */
+  streamNode(): never {
+    throw new Error('streamNode() is not available in browser/fetch environment. Use stream() for web-style ReadableStream.');
+  }
+  
   /**
    * Get the raw Response object
    */

ts/core_fetch/types.ts

@@ -7,8 +7,8 @@ export * from '../core_base/types.js';
  * Fetch-specific response extensions
  */
 export interface IFetchResponse<T = any> extends baseTypes.ICoreResponse<T> {
-  // Fetch-specific methods
-  stream(): ReadableStream<Uint8Array> | null;
+  // Node.js stream method that throws in browser
+  streamNode(): never;
   
   // Access to raw Response object
   raw(): Response;