feat: 创建 Redux Device Slice（简化版）

注册到 Redux Store

src/store/index.js

@@ -6,6 +6,7 @@ import industryReducer from './slices/industrySlice';
 import stockReducer from './slices/stockSlice';
 import authModalReducer from './slices/authModalSlice';
 import subscriptionReducer from './slices/subscriptionSlice';
+import deviceReducer from './slices/deviceSlice'; // ✅ 设备检测状态管理
 import posthogMiddleware from './middleware/posthogMiddleware';
 import { eventsApi } from './api/eventsApi'; // ✅ RTK Query API
 
@@ -17,6 +18,7 @@ export const store = configureStore({
     stock: stockReducer, // ✅ 股票和事件数据管理
     authModal: authModalReducer, // ✅ 认证弹窗状态管理
     subscription: subscriptionReducer, // ✅ 订阅信息状态管理
+    device: deviceReducer, // ✅ 设备检测状态管理（移动端/桌面端）
     [eventsApi.reducerPath]: eventsApi.reducer, // ✅ RTK Query 事件 API
   },
   middleware: (getDefaultMiddleware) =>