perf(web): bound speculative route warming

vehicle-data-platform/apps/web/src/v2/layout/AppShell.tsx

@@ -14,7 +14,7 @@ import {
 import { useEffect, useState } from 'react';
 import { NavLink, Outlet, useLocation } from 'react-router-dom';
 import { usePlatformSession } from '../auth/AuthGate';
-import { preloadRoute, scheduleIdleRoutePreloads } from '../routing/routeModules';
+import { preloadRoute, scheduleIdleRoutePreloads, shouldPreloadRouteOnIntent } from '../routing/routeModules';
 
 const navigation = [
   { to: '/monitor', label: '全局监控', icon: IconHome },
@@ -65,7 +65,7 @@ export function AppShell() {
 
 function Sidebar() {
   const [collapsed, setCollapsed] = useState(false);
-  const warmRoute = (path: string) => { void preloadRoute(path); };
+  const warmRoute = (path: string) => { if (shouldPreloadRouteOnIntent()) void preloadRoute(path); };
 
   return (
     <aside className={`v2-sidebar${collapsed ? ' is-collapsed' : ''}`}>