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

client/tests/e2e/live-smoke.spec.ts

@@ -89,7 +89,7 @@ test.describe("live smoke", () => {
       await expect(page.getByRole("heading", { name: "工作区设置", exact: true })).toBeVisible();
 
       await page.goto("/system/feature-flags");
-      await expect(page.getByRole("heading", { name: "功能开关", exact: true })).toBeVisible();
+      await expect(page.getByRole("heading", { name: "功能管理", exact: true })).toBeVisible();
 
       await page.goto("/audit-logs");
       await expect(page.getByRole("heading", { name: "审计工作台", exact: true })).toBeVisible();