feat: 园区大屏前端（React+Vite+Tailwind+three.js+MQTT）

- 路由：数据大屏/数字孪生/AI/媒体轮播/语音/企业墙 - 多园区通用，园区账号登录显示本园区
2026-08-23 22:34:45 +08:00
commit 28e233520b
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+import { BrowserRouter, Routes, Route, Navigate } from 'react-router-dom';
+import MediaScreen from './pages/MediaScreen';
+import DataScreen from './pages/DataScreen';
+import DigitalTwin from './pages/DigitalTwin';
+import AiAssistant from './pages/AiAssistant';
+import VoiceAssistant from './pages/VoiceAssistant';
+import CompanyWall from './pages/CompanyWall';
+import ScreenLayout from './components/ScreenLayout';
+import './styles/tokens.css';
+
+export default function App() {
+  return (
+    <BrowserRouter>
+      <Routes>
+        {/* 大屏页面：统一页眉布局注入 */}
+        <Route element={<ScreenLayout />}>
+          <Route path="/" element={<DataScreen />} />
+          <Route path="/twin" element={<DigitalTwin />} />
+          <Route path="/ai" element={<AiAssistant />} />
+          <Route path="/screen" element={<MediaScreen />} />
+          {/* 实时语音对话页（React 原生，复用页眉） */}
+          <Route path="/voice" element={<VoiceAssistant />} />
+          {/* 入驻企业展示墙 */}
+          <Route path="/wall" element={<CompanyWall />} />
+        </Route>
+        {/* 管理后台已迁移至 FastAPI + Jinja（GET /admin），不由 React 路由接管 */}
+        <Route path="*" element={<Navigate to="/" replace />} />
+      </Routes>
+    </BrowserRouter>
+  );
+}