perf: 优化管理端生产加载体验

- 图标与重型组件按需加载，优化菜单预取和页面请求链路

- 开启 gzip 与静态缓存并修复子路由 KeepAlive 冲突

easyflow-ui-admin/app/src/router/__tests__/route-cache-safety.test.ts

@@ -0,0 +1,40 @@
+import type { RouteRecordStringComponent } from '@easyflow/types';
+
+import { describe, expect, it } from 'vitest';
+
+import { disableUnsafeMenuRouteCaching } from '../route-cache-safety';
+
+function createRoute(
+  path: string,
+  children?: RouteRecordStringComponent[],
+): RouteRecordStringComponent {
+  return {
+    children,
+    component: '/example/Index',
+    meta: { keepAlive: true, title: path },
+    name: path,
+    path,
+  };
+}
+
+describe('route cache safety', () => {
+  it('disables stale keep-alive metadata for affected menus recursively', () => {
+    const knowledgeRoute = createRoute('/ai/documentCollection');
+    const routes = [
+      createRoute('/ai/workflow'),
+      createRoute('/ai', [knowledgeRoute]),
+    ];
+
+    expect(disableUnsafeMenuRouteCaching(routes)).toBe(routes);
+    expect(routes[0]?.meta?.keepAlive).toBe(false);
+    expect(knowledgeRoute.meta?.keepAlive).toBe(false);
+  });
+
+  it('does not change unrelated route caching', () => {
+    const unrelatedRoute = createRoute('/example/cached');
+
+    disableUnsafeMenuRouteCaching([unrelatedRoute]);
+
+    expect(unrelatedRoute.meta?.keepAlive).toBe(true);
+  });
+});