fix: streaming for express

Author: marcusschiesser

.changeset/three-cameras-change.md

@@ -0,0 +1,5 @@
+---
+"create-llama": patch
+---
+
+Fix streaming for Express

templates/types/streaming/express/src/controllers/chat.controller.ts

@@ -64,9 +64,8 @@ export const chat = async (req: Request, res: Response) => {
         image_url: data?.imageUrl,
       },
     });
-    const processedStream = stream.pipeThrough(vercelStreamData.stream);
 
-    return streamToResponse(processedStream, res);
+    return streamToResponse(stream, res, {}, vercelStreamData);
   } catch (error) {
     console.error("[LlamaIndex]", error);
     return res.status(500).json({