fix: bug

public/chat.html

@@ -221,9 +221,18 @@
           return;
         }
         try {
-          // 后端已按时间倒序（最新在前）返回，这里保持顺序即可
+          // 后端已按时间倒序（最新在前）返回
           const data = await callApi('/api/messages?key=' + encodeURIComponent(key) + '&limit=80');
-          const list = data.items || [];
+          let list = data.items || [];
+          // 仅展示对话类消息：文本消息或我发出的消息，过滤掉系统通知、非会话类型
+          list = list.filter(m => {
+            const t = m.MsgType ?? m.msgType;
+            const dir = m.direction;
+            const content = (m.Content || m.content || '').toString().trim();
+            if (dir === 'out') return true;
+            if (t === 1 || t === '1') return !!content;
+            return false;
+          });
           $('message-list').innerHTML = list.length ? list.map(m => {
             const isOut = m.direction === 'out';
             const fromLabel = isOut ? ('我 → ' + (m.ToUserName || '')) : (m.FromUserName || m.from || m.MsgId || '-').toString().slice(0, 32);
@@ -263,6 +272,29 @@
       $('btn-refresh-msg').addEventListener('click', loadMessages);
       $('btn-send-msg').addEventListener('click', sendMessage);
       loadMessages();
+      // 定时轮询实时消息，配合回调可及时看到新消息
+      (function autoPollMessages() {
+        const INTERVAL_MS = 2000;
+        let timer = null;
+        function start() {
+          if (timer) return;
+          timer = setInterval(() => {
+            // 页面不可见时可跳过，减少无谓请求
+            if (document.hidden) return;
+            loadMessages();
+          }, INTERVAL_MS);
+        }
+        function stop() {
+          if (timer) {
+            clearInterval(timer);
+            timer = null;
+          }
+        }
+        document.addEventListener('visibilitychange', () => {
+          if (document.hidden) stop(); else start();
+        });
+        start();
+      })();
 
       (function wsStatusCheck() {
         let wasConnected = false;