Add basic authentication

frontend/src/api/index.ts

@@ -5,3 +5,20 @@ export const makeApiUrl = (endpoint: string) => {
     const path = endpoint.startsWith('/') ? endpoint : `/${endpoint}`;
     return `${base}${path}`;
 };
+
+export const authHeaders = () => {
+    try {
+        const token = localStorage.getItem('token');
+        return token ? { Authorization: `Bearer ${token}` } : {};
+    } catch (e) {
+        return {};
+    }
+};
+
+export const fetchWithAuth = (endpoint: string, options: RequestInit = {}) => {
+    const headers = {
+        ...(options.headers || {}),
+        ...authHeaders(),
+    } as Record<string, string>;
+    return fetch(makeApiUrl(endpoint), { ...options, headers });
+};