fix(miniprogram): 预约详情/随访详情改为 API 获取数据，移除 Storage 缓存传递

apps/miniprogram/src/services/followup.ts

@@ -29,6 +29,10 @@ export async function listTasks(status?: string) {
   );
 }
 
+export async function getTaskDetail(id: string) {
+  return api.get<FollowUpTask>(`/health/follow-up-tasks/${id}`);
+}
+
 export async function submitRecord(data: { task_id: string; content: FollowUpContent }) {
   return api.post<FollowUpRecord>('/health/follow-up-records', data);
 }