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/route-cache-safety.ts

@@ -0,0 +1,31 @@
+import type { RouteRecordStringComponent } from '@easyflow/types';
+
+const UNSAFE_KEEP_ALIVE_MENU_PATHS = new Set([
+  '/ai/agents',
+  '/ai/documentCollection',
+  '/ai/model',
+  '/ai/skill',
+  '/ai/workflow',
+  '/dashboard/workspace',
+  '/sys/sysAccount',
+]);
+
+/**
+ * Disable route-level caching that conflicts with independent hidden child
+ * routes. Assigning false also replaces stale true values in persisted tabs.
+ */
+function disableUnsafeMenuRouteCaching(
+  routes: RouteRecordStringComponent[],
+): RouteRecordStringComponent[] {
+  for (const route of routes) {
+    if (UNSAFE_KEEP_ALIVE_MENU_PATHS.has(route.path) && route.meta) {
+      route.meta.keepAlive = false;
+    }
+    if (route.children?.length) {
+      disableUnsafeMenuRouteCaching(route.children);
+    }
+  }
+  return routes;
+}
+
+export { disableUnsafeMenuRouteCaching };