Update locations.conf

nginx/locations.conf

@@ -149,6 +149,9 @@ location /openrouter/ {
     proxy_http_version 1.1;
     proxy_buffering off;
     proxy_request_buffering off;
+    proxy_buffer_size 16k;
+    proxy_buffers 4 16k;
+    proxy_busy_buffers_size 32k;
     proxy_read_timeout 120s;
     proxy_send_timeout 120s;
 }