fix(middleware): avoid manual NextRequest with body for GET/HEAD to resolve failed to pipe response error (160k occurrences)

middleware.ts

@@ -52,10 +52,13 @@ export default async function middleware(request: NextRequest) {
 
     urlObj.protocol = proto;
 
+    // Only create a new request for GET/HEAD to avoid consuming the body stream on POST/PUT
+    // This resolves the "failed to pipe response" error (160k occurrences in GlitchTip)
+    if (['GET', 'HEAD'].includes(request.method)) {
       effectiveRequest = new NextRequest(urlObj, {
         headers: request.headers,
         method: request.method,
-      body: request.body,
+        // No body for GET/HEAD
       });
 
       if (process.env.NODE_ENV !== 'production' || !process.env.CI) {
@@ -64,6 +67,7 @@ export default async function middleware(request: NextRequest) {
         );
       }
     }
+  }
 
   try {
     // Apply internationalization middleware