fix: ai chat 列表页点击标题栏的新建对话图标后，在输入框输入问题，按enter键后实际没有发送消息

frontend/src/views/pagetype/ai_chat/ai_chat_list.vue

@@ -2,7 +2,7 @@
 import { ref, onMounted, computed, watch, nextTick } from 'vue'
 import { NButton, NSpin, NPagination, NDropdown } from 'naive-ui'
 import { Icon } from '@iconify/vue'
-import { getChatList, createChat, type AiChat } from '@/shared/api/chat'
+import { getChatList, createChat, sendMessage, type AiChat } from '@/shared/api/chat'
 import { updateRecord, deleteRecord } from '@/shared/api/common'
 import { useAuthStore } from '@/shared/stores/auth'
 import { t } from '@/shared/i18n'
@@ -195,12 +195,13 @@ const sending = ref(false)
 
 async function onWelcomeSend(content: string) {
   if (sending.value) return
-  // 无活跃对话时，自动创建新对话
+  // 无活跃对话时，自动创建新对话并发送消息
   if (!activeChatName.value) {
     try {
       sending.value = true
       const createResult = await createChat()
       if (createResult.success && createResult.name) {
+        await sendMessage(createResult.name, content)
         activeChatName.value = createResult.name
         activeChatTitle.value = createResult.title || ''
         await loadChats()