AI智能体的开启新的会话和历史会话的中文的友好提示更改

lib/features/ai/presentation/pages/ai_page.dart

@@ -49,7 +49,7 @@ class _AiViewState extends State<AiView> {
   Widget build(BuildContext context) {
     return Scaffold(
       appBar: AppBar(
-        title: const Text('AI'),
+        title: const Text('AI智能体'),
         actions: [
           PopupMenuButton<String>(
             onSelected: (value) {
@@ -60,8 +60,8 @@ class _AiViewState extends State<AiView> {
               }
             },
             itemBuilder: (BuildContext context) => <PopupMenuEntry<String>>[
-              const PopupMenuItem<String>(value: 'new_session', child: Text('New Session')),
-              const PopupMenuItem<String>(value: 'history', child: Text('History')),
+              const PopupMenuItem<String>(value: 'new_session', child: Text('开启新的会话')),
+              const PopupMenuItem<String>(value: 'history', child: Text('历史会话')),
             ],
           ),
         ],