feat: 管理端 RBAC 权限体系与员工管理

新增多角色权限控制（赛事/财务/客服管理员），支持员工 CRUD、路由菜单按权限显隐、审计日志范围过滤；登录返回角色与权限列表。玩家端赛事列表增加静默刷新避免图片闪烁。Seed 补充演示员工账号与充值相关权限。附带 RBAC/审计范围单元测试及 UAT 文档更新。

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

apps/player/src/views/MyBetsView.vue

@@ -1,5 +1,5 @@
 <script setup lang="ts">
-import { ref, onMounted, onUnmounted } from 'vue';
+import { ref, onActivated, onMounted, onUnmounted } from 'vue';
 import { useI18n } from 'vue-i18n';
 import api from '../api';
 import BetHistoryCard, { type BetHistoryItem } from '../components/BetHistoryCard.vue';
@@ -73,6 +73,8 @@ const { pullDistance, refreshing, spinning, progress } = usePullToRefresh({
   onRefresh: async () => { await loadPage(1); },
 });
 
+onActivated(() => { void loadPage(1); });
+
 onMounted(() => {
   observer = new IntersectionObserver(
     (entries) => {