后台侧栏按业务分组支持折叠

新增后台侧栏业务分组与当前页自动展开行为

补充折叠交互、路由分组和权限过滤测试

同步后台导航分组行为文档

apps/admin-web/src/app/adminRoutes.ts

@@ -71,6 +71,91 @@ export const adminRoutes: AdminRouteDefinition[] = [
   { id: 'accounts', label: '账号管理', hash: '#accounts', ownerOnly: true },
 ];
 
+/**
+ * 桌面端侧边栏的导航分组。分组只影响展示顺序和折叠状态，不改变路由
+ * 权限、hash 或移动端底栏的平铺顺序。
+ */
+export type AdminNavGroupId =
+  | 'workspace'
+  | 'observability'
+  | 'operations'
+  | 'billing'
+  | 'content'
+  | 'agc'
+  | 'access';
+
+export interface AdminNavGroupDefinition {
+  id: AdminNavGroupId;
+  label: string;
+  routeIds: AdminRouteId[];
+}
+
+export const adminNavGroups: AdminNavGroupDefinition[] = [
+  {
+    id: 'workspace',
+    label: '工作台',
+    routeIds: ['dashboard', 'overview', 'tables', 'debug'],
+  },
+  {
+    id: 'observability',
+    label: '数据与监控',
+    routeIds: ['tracking', 'agc-tracking', 'error-reports'],
+  },
+  {
+    id: 'operations',
+    label: '运营配置',
+    routeIds: ['gray-release', 'redeem', 'invite', 'profile-wallet', 'tasks'],
+  },
+  {
+    id: 'billing',
+    label: '充值与支付',
+    routeIds: ['recharge-products', 'recharge-orders', 'payment-orders'],
+  },
+  {
+    id: 'agc',
+    label: 'AGC 管理',
+    routeIds: ['editor-generation-pricing', 'agc-models', 'agc-templates'],
+  },
+  {
+    id: 'content',
+    label: '内容运营',
+    routeIds: [
+      'editor-showcase',
+      'game-distribution',
+      'game-management',
+      'game-reviews',
+      'editor-assets',
+      'project-snapshots',
+    ],
+  },
+  {
+    id: 'access',
+    label: '账号权限',
+    routeIds: ['accounts'],
+  },
+];
+
+export interface AdminNavGroup {
+  id: AdminNavGroupId;
+  label: string;
+  routes: AdminRouteDefinition[];
+}
+
+/** 按固定业务分组筛选当前管理员可见的路由。 */
+export function getAdminNavGroups(
+  routes: AdminRouteDefinition[],
+): AdminNavGroup[] {
+  return adminNavGroups
+    .map((group) => ({
+      id: group.id,
+      label: group.label,
+      routes: group.routeIds
+        .map((routeId) => routes.find((route) => route.id === routeId))
+        .filter((route): route is AdminRouteDefinition => route !== undefined),
+    }))
+    .filter((group) => group.routes.length > 0);
+}
+
 export interface AdminRouteAccess {
   accountRole: 'owner' | 'member';
   tabPermissions: string[];