fix: Update abort method in pipeWithDisconnect to return a promise for better error handling

open-sse/utils/streamHandler.js

@@ -131,7 +131,7 @@ export function createDisconnectAwareStream(transformStream, streamController) {
 export function pipeWithDisconnect(providerResponse, transformStream, streamController) {
   const transformedBody = providerResponse.body.pipeThrough(transformStream);
   return createDisconnectAwareStream(
-    { readable: transformedBody, writable: { getWriter: () => ({ abort: () => {} }) } },
+    { readable: transformedBody, writable: { getWriter: () => ({ abort: () => Promise.resolve() }) } },
     streamController
   );
 }