refactor(web): 统一 dayjs 导入为集中初始化 — 11 个文件

所有 health 页面从 import dayjs from 'dayjs' 迁移到
import { dayjs } from '.../utils/dayjs'，确保 relativeTime
和 zh-cn locale 全局生效。

apps/web/src/pages/health/FollowUpTaskList.tsx

@@ -13,7 +13,7 @@ import {
 } from 'antd';
 import { PlusOutlined, EditOutlined, SwapOutlined, DeleteOutlined } from '@ant-design/icons';
 import type { ColumnsType, TablePaginationConfig } from 'antd/es/table';
-import dayjs from 'dayjs';
+import { dayjs } from '../../utils/dayjs';
 import { followUpApi, type FollowUpTask, type CreateFollowUpTaskReq, type UpdateFollowUpTaskReq } from '../../api/health/followUp';
 import { StatusTag } from './components/StatusTag';
 import { PatientSelect } from './components/PatientSelect';