feat: migrate from Element Plus to Ant Design Vue and update Vite configuration for better dependency management

- Updated Vite configuration to manually chunk Ant Design Vue for improved dependency management.
- Added a comprehensive migration testing checklist for transitioning from Element Plus 2.13.0 to Ant Design Vue 4.x, covering various components and functionalities.

frontend/src/App.vue

@@ -1,10 +1,15 @@
 <template>
-  <router-view />
+  <a-config-provider :theme="antdTheme" :locale="zhCN">
+    <router-view />
+  </a-config-provider>
 </template>
 
 <script setup>
 import { onMounted } from 'vue'
+import { ConfigProvider as AConfigProvider } from 'ant-design-vue'
+import zhCN from 'ant-design-vue/es/locale/zh_CN'
 import { useAuthStore } from '@/stores/auth'
+import antdTheme from './antd-theme'
 
 const authStore = useAuthStore()
 
@@ -30,10 +35,18 @@ onMounted(async () => {
 }
 
 html,
-body,
+body {
+  width: 100%;
+  height: 100%;
+  margin: 0;
+  padding: 0;
+  overflow-x: hidden;
+}
+
 #app {
   width: 100%;
   height: 100%;
+  min-height: 100vh;
   font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB',
     'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
   -webkit-font-smoothing: antialiased;