修正 ERP 边界与资产页面一致性（05-30-fix-erp-boundary-asset-consistency）

client/src/features/navigation/schema.ts

@@ -46,7 +46,6 @@ const PAGE_TITLES: Array<{ path: string; title: string; group: string }> = [
   { path: "/system/settings", title: "管理", group: "管理" },
   { path: "/system/feature-flags", title: "功能管理", group: "管理" },
   { path: "/system/cutover", title: "切换控制台", group: "更多" },
-  { path: "/system/integrations/erp", title: "外部系统", group: "更多" },
   { path: "/dashboard", title: "数据看板", group: "更多" },
   { path: "/audit-logs", title: "审计日志", group: "管理" },
 ];