fix: add credentials 'include' to fetch calls for ZeroGPU Pro quota recognition

frontend/js/alt_app.js

@@ -26,6 +26,7 @@ async function callGradioApi(apiName, dataArr) {
     const res = await fetch(GRADIO_API + apiName, {
         method: 'POST',
         headers: { 'Content-Type': 'application/json' },
+        credentials: 'include',
         body: JSON.stringify({ data: dataArr })
     });
 
@@ -42,6 +43,7 @@ async function callGradioApi(apiName, dataArr) {
     const sseRes = await fetch(streamUrl, {
         method: 'GET',
         headers: { 'Accept': 'text/event-stream' },
+        credentials: 'include',
         cache: 'no-cache',
     });