refactor: 菜单栏角色化降噪（role-based-navigation-simplification）

client/src/pages/NotificationsPage.tsx

@@ -16,7 +16,7 @@ const PAGE_SIZE = 20;
 
 const NOTIFICATION_TYPE_OPTIONS = [
   { label: "全部", value: "" },
-  { label: "审批待办", value: "workflow.task_assigned" },
+  { label: "待我处理", value: "workflow.task_assigned" },
   { label: "报销", value: "reimbursement.approved,reimbursement.rejected,reimbursement.returned,reimbursement.paid" },
   { label: "请假", value: "leave.approved,leave.rejected" },
   { label: "采购", value: "purchase_request.approved,purchase_request.rejected" },