Update CBS Mobile App codebase

src/services/api/serviceHelpers.ts

@@ -3,6 +3,7 @@ import type { AxiosError } from 'axios';
 import { appConfig } from '../../config/appConfig';
 import type { ApiError } from '../../types/api';
 import { sleep } from '../../utils/async';
+import { isCbsApiError } from './cbsErrors';
 
 const isApiError = (value: unknown): value is ApiError =>
   typeof value === 'object' &&
@@ -11,6 +12,17 @@ const isApiError = (value: unknown): value is ApiError =>
   'message' in value;
 
 export const toApiError = (error: unknown): ApiError => {
+  // A named backend failure. Keep the code and the field map — they are what
+  // the screens branch on and paint onto forms.
+  if (isCbsApiError(error)) {
+    return {
+      status: error.status,
+      message: error.message,
+      code: error.code,
+      fieldErrors: error.fieldErrors,
+    };
+  }
+
   if (isApiError(error)) {
     return error;
   }
@@ -20,10 +32,17 @@ export const toApiError = (error: unknown): ApiError => {
   return {
     status: Number(axiosError.response?.status ?? 500),
     message: axiosError.message || 'Unexpected service error',
+    code: 'UNKNOWN_ERROR',
     data: axiosError.response?.data,
   };
 };
 
+/**
+ * Fixture-backed resolution for the modules that have no backend behind them
+ * yet. Endpoints the CBS API actually implements must not go through here —
+ * they call `apiClient` directly so a failure surfaces instead of being
+ * papered over with demo data.
+ */
 export const resolveWithMock = async <T>({
   mockData,
   request,
@@ -50,3 +69,14 @@ export const resolveWithMock = async <T>({
     };
   }
 };
+
+/** Same contract as `resolveWithMock`, but always live. */
+export const resolveLive = async <T>(
+  request: () => Promise<T>,
+): Promise<{ data: T } | { error: ApiError }> => {
+  try {
+    return { data: await request() };
+  } catch (error) {
+    return { error: toApiError(error) };
+  }
+};