fix: 锁定版本

pubspec.lock

@@ -245,10 +245,10 @@ packages:
     dependency: "direct main"
     description:
       name: crisp_chat
-      sha256: "63be64c416b5b44bb099bbd278b8de718714075e5ac9d444272dcf99e48eda3d"
+      sha256: "938a6b771e9aa83ef57c043ac7e06be6b434dcf5f6a74c0e35a0d4f5a6d31be8"
       url: "https://pub.dev"
     source: hosted
-    version: "2.4.3"
+    version: "2.4.1"
   cross_file:
     dependency: transitive
     description:

pubspec.yaml

@@ -73,7 +73,7 @@ dependencies:
   window_manager: ^0.4.3
   url_launcher: ^6.3.1
   flutter_inappwebview: ^6.1.5 # 最新稳定版本
-  crisp_chat: ^2.4.3  # 🔧 P15: 移动平台使用原生 SDK，解决 WebView 黑屏问题
+  crisp_chat: 2.4.1  # 🔧 P15: 移动平台使用原生 SDK，解决 WebView 黑屏问题
   protocol_handler_windows: ^0.2.0
   share_plus: ^7.2.2