remove timeout

Author: RulaKhaled

packages/cloudflare/src/request.ts

@@ -127,9 +127,6 @@ export function wrapRequestHandler(
             const streamMonitor = (async () => {
               const reader = monitorStream.getReader();
 
-              // Safety timeout - abort reading and end span after 5s even if stream hasn't finished
-              const timeout = setTimeout(() => reader.cancel(), 5000);
-
               try {
                 let done = false;
                 while (!done) {
@@ -139,16 +136,13 @@ export function wrapRequestHandler(
               } catch {
                 // Stream error or cancellation - will end span in finally
               } finally {
-                clearTimeout(timeout);
                 reader.releaseLock();
                 span.end();
                 waitUntil?.(flush(2000));
               }
             })();
 
-            if (waitUntil) {
-              waitUntil(streamMonitor);
-            }
+            waitUntil?.(streamMonitor);
 
             // Return response with client stream
             return new Response(clientStream, {

packages/cloudflare/src/utils/streaming.ts

@@ -7,9 +7,13 @@ export type StreamingGuess = {
  * Classifies a Response as streaming or non-streaming.
  *
  * Uses multiple heuristics:
+ * - No body → not streaming
  * - Content-Type: text/event-stream → streaming
  * - Content-Length header present → not streaming
- * - Otherwise: probes stream with timeout to detect behavior
+ * - Otherwise: attempts immediate read to detect behavior
+ *   - Stream empty (done) → not streaming
+ *   - Got data without Content-Length → streaming
+ *   - Got data with Content-Length → not streaming
  *
  * Note: Probing will tee() the stream and return a new Response object.
  *