网络请求打通，ws 打通

apps/im_app/lib/app/di/app_providers.dart

@@ -1,8 +1,9 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 
-import '../../core/services/app_initializer.dart';
-import 'network_provider.dart';
+import 'package:im_app/core/foundation/device_info.dart';
+import 'package:im_app/core/services/app_initializer.dart';
+import 'package:im_app/app/di/network_provider.dart';
 
 // ── 认证 ──────────────────────────────────────────────────────────────────────
 
@@ -122,6 +123,11 @@ final appInitializerProvider = Provider<AppInitializer>((ref) {
         name: 'NetworkMonitor',
         task: () => ref.read(networkMonitorProvider).initialize(),
       ),
+      // 预取设备 ID / 设备名，platformHeaders 同步读取
+      InitTask(
+        name: 'DeviceInfo',
+        task: DeviceInfo.init,
+      ),
     ],
     deferred: [
       // TODO: 推送注册