BREAKING CHANGE(client/streaming): Unify streaming APIs: remove raw()/streamNode() and standardize on web ReadableStream across runtimes

ts/core_fetch/response.ts

@@ -72,15 +72,6 @@ export class CoreResponse<T = any>
     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
    */