fix：优化和对齐版本

lib/common/privacy/privacy_gate.dart

@@ -0,0 +1,9 @@
+import 'package:flutter/foundation.dart';
+
+/// Android requires explicit privacy consent before collecting device
+/// identifiers. iOS follows its existing startup flow instead.
+bool requiresAndroidPrivacyConsent({
+  required bool isWeb,
+  required TargetPlatform platform,
+  required bool privacyAgreed,
+}) => !isWeb && platform == TargetPlatform.android && !privacyAgreed;