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/main.ts

@@ -1,17 +1,12 @@
-import './components/dashboard/echarts-setup';
 import { createApp } from 'vue';
 import ElementPlus from 'element-plus';
 import 'element-plus/dist/index.css';
 import App from './App.vue';
 import router from './router';
-import i18n from './i18n';
-import { ensureStaffSession } from './utils/session-hydrate';
+import { createAdminI18n } from './i18n';
 
 async function bootstrap() {
-  if (localStorage.getItem('manage_token')) {
-    await ensureStaffSession();
-  }
-
+  const i18n = await createAdminI18n();
   createApp(App).use(i18n).use(router).use(ElementPlus).mount('#app');
 }