perf: prefetch ai pages and soften route loading

web/apps/web-ele/src/router/guard.ts

@@ -13,6 +13,7 @@ import { normalizeHomePath } from '#/utils/legacy-home';
 
 import { generateAccess } from './access';
 import { isLightTabRoute } from './light-menu';
+import { prefetchAiPlatformPages } from './prefetch';
 
 function filterLightTabHistory<T extends { tabs?: unknown[] }>(history: T) {
   const tabs = Array.isArray(history.tabs) ? history.tabs : [];
@@ -197,6 +198,7 @@ function setupAccessGuard(router: Router) {
     accessStore.setAccessMenus(accessibleMenus);
     accessStore.setAccessRoutes(accessibleRoutes);
     accessStore.setIsAccessChecked(true);
+    prefetchAiPlatformPages();
 
     // 子应用根路径重定向（/app/hr -> /app/hr/xxx）
     if (appContextStore.isSubApp) {

web/apps/web-ele/src/router/prefetch.ts

@@ -0,0 +1,47 @@
+type IdleCallbackHandle = number;
+
+type IdleCallbackOptions = {
+  timeout?: number;
+};
+
+type WindowWithIdleCallback = Window & {
+  requestIdleCallback?: (
+    callback: () => void,
+    options?: IdleCallbackOptions,
+  ) => IdleCallbackHandle;
+};
+
+let prefetched = false;
+
+const prefetchTasks = [
+  () => import('#/views/ai-platform/agent/index.vue'),
+  () => import('#/views/_core/agent-chat/index.vue'),
+  () => import('#/views/ai-platform/workflow/index.vue'),
+  () => import('#/views/ai-platform/workflow-runs/index.vue'),
+  () => import('#/views/ai-platform/model/index.vue'),
+  () => import('#/views/ai-platform/knowledge/index.vue'),
+];
+
+function scheduleIdle(callback: () => void) {
+  const browserWindow = window as WindowWithIdleCallback;
+
+  if (browserWindow.requestIdleCallback) {
+    browserWindow.requestIdleCallback(callback, { timeout: 3000 });
+    return;
+  }
+
+  window.setTimeout(callback, 1200);
+}
+
+function prefetchAiPlatformPages() {
+  if (prefetched || typeof window === 'undefined') {
+    return;
+  }
+
+  prefetched = true;
+  scheduleIdle(() => {
+    void Promise.allSettled(prefetchTasks.map((task) => task()));
+  });
+}
+
+export { prefetchAiPlatformPages };