creates application

frontend/src/api/client.ts

@@ -0,0 +1,26 @@
+import axios, { AxiosError } from 'axios';
+
+const apiClient = axios.create({
+  baseURL: '/api',
+  headers: {
+    'Content-Type': 'application/json',
+  },
+  withCredentials: true,
+});
+
+// Response interceptor for error handling
+apiClient.interceptors.response.use(
+  (response) => response,
+  (error: AxiosError<{ error?: string; details?: unknown }>) => {
+    if (error.response?.status === 401) {
+      // Redirect to login on 401
+      window.location.href = '/login';
+      return Promise.reject(error);
+    }
+
+    const message = error.response?.data?.error || error.message || 'An error occurred';
+    return Promise.reject(new Error(message));
+  }
+);
+
+export default apiClient;