feat: enhance device ID generation with timeout and refactor shared_preferences dependency for OHOS compatibility

app/lib/src/device_id.dart

@@ -15,15 +15,34 @@ import 'package:core_storage/core_storage.dart';
 /// 这里的语义是"这次安装"：卸载重装换一个新 ID 是**预期行为**，不需要跨安装
 /// 追踪——它的用途只有一个，把同一台设备的日志串起来排查问题。
 /// ---------------------------------------------------------------------------
-Future<String> loadOrCreateDeviceId(Prefs prefs) async {
+Future<String> loadOrCreateDeviceId(
+  Prefs prefs, {
+  Duration timeout = const Duration(seconds: 2),
+}) async {
   const String key = 'device_id';
+
+  try {
+    return await _loadOrCreatePersistedDeviceId(prefs, key).timeout(timeout);
+  } on Object {
+    // 本地存储只增强日志关联，不能因未注册的平台插件阻断 runApp()。
+    // 当前值仅在本次进程有效；下次启动仍会尝试读写持久化 ID。
+    return _newDeviceId();
+  }
+}
+
+Future<String> _loadOrCreatePersistedDeviceId(Prefs prefs, String key) async {
   final String? existing = await prefs.getString(key);
   if (existing != null && existing.isNotEmpty) {
     return existing;
   }
-  final Random random = Random.secure();
-  final List<int> bytes = List<int>.generate(16, (int _) => random.nextInt(256));
-  final String created = base64Url.encode(bytes).replaceAll('=', '');
+
+  final String created = _newDeviceId();
   await prefs.setString(key, created);
   return created;
 }
+
+String _newDeviceId() {
+  final Random random = Random.secure();
+  final List<int> bytes = List<int>.generate(16, (int _) => random.nextInt(256));
+  return base64Url.encode(bytes).replaceAll('=', '');
+}

app/ohos/build-profile.json5

@@ -1,7 +1,20 @@
-
 {
   "app": {
-    "signingConfigs": [],
+    "signingConfigs": [
+      {
+        "name": "default",
+        "type": "HarmonyOS",
+        "material": {
+          "certpath": "C:\\Users\\A200477427\\.ohos\\config\\default_ohos_yW8CJeJiNlUT6oywq41Uc115VHPdXxvAbtRnmkeaxSQ=.cer",
+          "keyAlias": "debugKey",
+          "keyPassword": "0000001B3CF04C0E3E6DBB38D72D64B7C8B65A62F75FFA5603AC50AB5C3364CB0AA1E2A480FC6D25DF6CFF",
+          "profile": "C:\\Users\\A200477427\\.ohos\\config\\default_ohos_yW8CJeJiNlUT6oywq41Uc115VHPdXxvAbtRnmkeaxSQ=.p7b",
+          "signAlg": "SHA256withECDSA",
+          "storeFile": "C:\\Users\\A200477427\\.ohos\\config\\default_ohos_yW8CJeJiNlUT6oywq41Uc115VHPdXxvAbtRnmkeaxSQ=.p12",
+          "storePassword": "0000001BE9AAD820D3FF8C4809435B90558226EFFB2EF6F5A57909A601E5B27596F032906E5088119F3BC0"
+        }
+      }
+    ],
     "products": [
       {
         "name": "default",