feat: WC2026 赛事 seed、生产上线初始化脚本与目录归档

重构 seed 为 WC2026 72 场小组赛与 48 强优胜盘；新增 production 模式仅保留 admin 与赛事示例；提供 prod-init-db 全量重置脚本；管理端 i18n 分包与赛事归档能力。

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/admin/src/App.vue

@@ -1,23 +1,38 @@
 <script setup lang="ts">
-import { computed } from 'vue';
+import { computed, shallowRef, watch } from 'vue';
 import { RouterView } from 'vue-router';
 import { ElConfigProvider } from 'element-plus';
-import zhCn from 'element-plus/es/locale/lang/zh-cn';
-import en from 'element-plus/es/locale/lang/en';
-import ms from 'element-plus/es/locale/lang/ms';
+import type { Language } from 'element-plus/es/locale';
 import { useAdminLocale } from './composables/useAdminLocale';
 
 const { locale } = useAdminLocale();
+const elLocale = shallowRef<Language | undefined>(undefined);
 
-const elLocale = computed(() => {
-  if (locale.value.startsWith('zh')) return zhCn;
-  if (locale.value.startsWith('ms')) return ms;
-  return en;
-});
+async function loadElLocale(tag: string) {
+  if (tag.startsWith('zh')) {
+    elLocale.value = (await import('element-plus/es/locale/lang/zh-cn')).default;
+    return;
+  }
+  if (tag.startsWith('ms')) {
+    elLocale.value = (await import('element-plus/es/locale/lang/ms')).default;
+    return;
+  }
+  elLocale.value = (await import('element-plus/es/locale/lang/en')).default;
+}
+
+watch(
+  () => locale.value,
+  (tag) => {
+    void loadElLocale(tag);
+  },
+  { immediate: true },
+);
+
+const configLocale = computed(() => elLocale.value);
 </script>
 
 <template>
-  <ElConfigProvider :locale="elLocale">
+  <ElConfigProvider :locale="configLocale">
     <RouterView />
   </ElConfigProvider>
 </template>