feat: 对话的调整

src/renderer/views/home/index.vue

@@ -1,7 +1,7 @@
 <template>
   <layout>
     <div class="flex h-full w-full flex-col md:flex-row">
-      <ChatHistory class="flex-none w-50" @new-chat="guide = true" @select-chat="handleSelectChat" />
+      <ChatHistory class="flex-none w-50" @new-chat="handleNewChat" @select-chat="handleSelectChat" />
       <div class="flex-1 mr-2 overflow-hidden bg-white rounded-xl">
         <ChatBox v-model:guide="guide" :conversationId="selectedConversationId" />
       </div>
@@ -20,6 +20,12 @@ const guide = ref(true)
 /// 选择的历史会话ID
 const selectedConversationId = ref('')
 
+/// 处理新对话事件：切换到引导页并清空选中的历史会话ID
+const handleNewChat = () => {
+  guide.value = true;
+  selectedConversationId.value = '';
+};
+
 /// 选择历史会话
 const handleSelectChat = (conversationId: string) => {
   guide.value = false;