fix: expired token issue

Signed-off-by: Sebastian Krupinski <krupinski01@gmail.com>

core/src/utils/helpers/fetch-wrapper-core.ts

@@ -22,6 +22,14 @@ export interface RequestCallOptions {
   headers?: Record<string, string>;
 }
 
+/** Error thrown for non-2xx responses, carrying the HTTP status code */
+export class FetchError extends Error {
+  constructor(message: string, public readonly status: number) {
+    super(message);
+    this.name = 'FetchError';
+  }
+}
+
 function getCsrfToken(): string | null {
   if (typeof document === 'undefined') return null;
   const cookie = document.cookie.split('; ').find(r => r.startsWith('X-CSRF-TOKEN='));
@@ -61,8 +69,11 @@ export function createFetchWrapper(options: FetchWrapperOptions = {}) {
 
     if (!response.ok) {
       const text = await response.text();
-      const data = text ? JSON.parse(text) : null;
-      throw new Error(data?.message || response.statusText);
+      let data = null;
+      try {
+        data = text ? JSON.parse(text) : null;
+      } catch { /* non-JSON error body */ }
+      throw new FetchError(data?.message || response.statusText, response.status);
     }
 
     if (callOptions?.onStream) {