Respect cache-control in guest API cache

resources/js/guest/lib/cachePolicy.ts

@@ -0,0 +1,20 @@
+export function shouldCacheResponse(response: Response | null): boolean {
+  if (!response) {
+    return false;
+  }
+
+  const cacheControl = response.headers.get('Cache-Control') ?? '';
+  const pragma = response.headers.get('Pragma') ?? '';
+  const normalizedCacheControl = cacheControl.toLowerCase();
+  const normalizedPragma = pragma.toLowerCase();
+
+  if (normalizedCacheControl.includes('no-store') || normalizedCacheControl.includes('private')) {
+    return false;
+  }
+
+  if (normalizedPragma.includes('no-cache')) {
+    return false;
+  }
+
+  return true;
+}