mobile v1.0.4：初始化步骤打点，超时可区分卡在 存储目录/建目录/SDK内核；初始化超时放宽到 30s（B-58）

mobile/lib/screens/login_screen.dart

@@ -80,9 +80,9 @@ class _LoginScreenState extends State<LoginScreen> {
         password: password,
         platformID: IMService.instance.platformID,
       );
-      // 2. 初始化消息组件（分两步超时，方便定位卡在哪一步）
+      // 2. 初始化消息组件（分两步超时，方便定位卡在哪一步；老手机首次建库可能偏慢，放宽到 30 秒）
       await IMService.instance.init().timeout(
-        const Duration(seconds: 15),
+        const Duration(seconds: 30),
         onTimeout: () => throw AuthException('消息组件初始化超时'),
       );
       // 3. 登录 OpenIM SDK
@@ -117,6 +117,7 @@ class _LoginScreenState extends State<LoginScreen> {
     }
     final sdkErr = IMService.instance.lastConnectError;
     if (sdkErr != null && sdkErr.isNotEmpty) parts.add('消息组件报告：$sdkErr');
+    parts.add('初始化进行到哪一步：${IMService.instance.lastInitStep}');
     if (mounted) setState(() => _error = parts.join('\n'));
     // SDK 日志可能较大，异步读完后再补一行提示用户拍照
     try {

mobile/lib/services/im_service.dart

@@ -130,11 +130,17 @@ class IMService extends ChangeNotifier {
     });
   }
 
+  /// 初始化进行到哪一步（超时时展示，区分卡在获取目录还是 SDK 内核）
+  String lastInitStep = '还没开始';
+
   Future<void> _doInit() async {
+    lastInitStep = '① 获取存储目录';
     final dir = await getApplicationDocumentsDirectory();
     final dataDir = '${dir.path}/openim';
     _dataDir = dataDir;
+    lastInitStep = '② 创建数据目录';
     await Directory(dataDir).create(recursive: true);
+    lastInitStep = '③ 启动消息组件内核';
     final ok = await OpenIM.iMManager.initSDK(
       platformID: platformID,
       apiAddr: apiAddr,
@@ -162,6 +168,7 @@ class IMService extends ChangeNotifier {
         onUserTokenInvalid: _forceLogout,
       ),
     );
+    lastInitStep = '④ 内核已返回（结果：$ok）';
     sdkReady = ok == true;
     _setBusinessListeners();
     notifyListeners();

mobile/pubspec.yaml

@@ -1,7 +1,7 @@
 name: changlian
 description: 畅联 —— 公司内部通讯 App（手机端）
 publish_to: "none"
-version: 1.0.3+4
+version: 1.0.4+5
 
 environment:
   sdk: ">=3.6.0 <4.0.0"