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 };

web/packages/effects/layouts/src/basic/content/use-content-spinner.ts

@@ -5,41 +5,73 @@ import { preferences } from '@vben/preferences';
 
 function useContentSpinner() {
   const spinning = ref(false);
-  const startTime = ref(0);
+  const visibleStartTime = ref(0);
   const router = useRouter();
-  const minShowTime = 500; // 最小显示时间
+  const showDelay = 220;
+  const minVisibleTime = 160;
   const enableLoading = computed(() => preferences.transition.loading);
+  let pending = false;
+  let showTimer: ReturnType<typeof setTimeout> | undefined;
+  let hideTimer: ReturnType<typeof setTimeout> | undefined;
 
-  // 结束加载动画
-  const onEnd = () => {
+  const clearTimers = () => {
+    clearTimeout(showTimer);
+    clearTimeout(hideTimer);
+    showTimer = undefined;
+    hideTimer = undefined;
+  };
+
+  const onStart = () => {
     if (!enableLoading.value) {
       return;
     }
-    const processTime = performance.now() - startTime.value;
-    if (processTime < minShowTime) {
-      setTimeout(() => {
+
+    pending = true;
+    clearTimers();
+    showTimer = setTimeout(() => {
+      if (!pending) {
+        return;
+      }
+
+      visibleStartTime.value = performance.now();
+      spinning.value = true;
+    }, showDelay);
+  };
+
+  const onEnd = () => {
+    pending = false;
+    clearTimeout(showTimer);
+    showTimer = undefined;
+
+    if (!enableLoading.value || !spinning.value) {
+      return;
+    }
+
+    const visibleTime = performance.now() - visibleStartTime.value;
+    if (visibleTime < minVisibleTime) {
+      hideTimer = setTimeout(() => {
         spinning.value = false;
-      }, minShowTime - processTime);
+        hideTimer = undefined;
+      }, minVisibleTime - visibleTime);
     } else {
       spinning.value = false;
     }
   };
 
-  // 路由前置守卫
   router.beforeEach((to) => {
     if (to.meta.loaded || !enableLoading.value || to.meta.iframeSrc) {
       return true;
     }
-    startTime.value = performance.now();
-    spinning.value = true;
+
+    onStart();
     return true;
   });
 
-  // 路由后置守卫
   router.afterEach((to) => {
     if (to.meta.loaded || !enableLoading.value || to.meta.iframeSrc) {
       return true;
     }
+
     onEnd();
     return true;
   });