Update CBS Mobile App codebase

src/services/api/apiClient.ts

@@ -3,6 +3,12 @@ import axios from 'axios';
 import { env } from '../../config/env';
 import { attachInterceptors } from './interceptors';
 
+/**
+ * Single client for the CBS backend. The response interceptor unwraps the
+ * `{ success, message, data }` envelope, so callers read `response.data` as the
+ * endpoint payload and a `success: false` body arrives as a thrown
+ * `CbsApiError` carrying the code to switch on.
+ */
 export const apiClient = axios.create({
   baseURL: env.apiBaseUrl,
   timeout: 15000,