feat:自定义历史聊天标题 (#41)

* feat:自定义历史聊天标题

* Update chat.ts

* perf:自定义聊天标题

* feat: google auth

* perf:将修改标题移入右键菜单

* perf:updatetitle

---------

Co-authored-by: archer <545436317@qq.com>

src/pages/api/chat/saveChat.ts

@@ -78,13 +78,14 @@ export async function saveChat({
     return _id;
   } else {
     // 已经有记录，追加入库
+    const chat = await Chat.findById(chatId);
     await Chat.findByIdAndUpdate(chatId, {
       $push: {
         content: {
           $each: content
         }
       },
-      title: content[0].value.slice(0, 20),
+      ...(chat && !chat.customTitle ? { title: content[0].value.slice(0, 20) } : {}),
       latestChat: content[1].value,
       updateTime: new Date()
     });