first implementation

frontend/src/services/api.ts

@@ -0,0 +1,24 @@
+import axios from 'axios'
+
+export const api = axios.create({
+  baseURL: import.meta.env.VITE_API_URL ?? '/api/v1',
+  auth: {
+    username: 'neurosurgeon',
+    password: import.meta.env.VITE_APP_PASSWORD ?? 'changeme'
+  },
+  headers: {
+    'Content-Type': 'application/json'
+  }
+})
+
+// Response interceptor for error normalisation
+api.interceptors.response.use(
+  (response) => response,
+  (error) => {
+    const message =
+      error.response?.data?.error ??
+      error.message ??
+      'An unexpected error occurred.'
+    return Promise.reject(new Error(message))
+  }
+)