站内消息支持三种类型，admin发送，mobile订阅

client/mobile/pages_messages.tsx

@@ -39,12 +39,17 @@ export const NotificationsPage = () => {
 
     // 订阅消息频道
     newSocket.on('connect', () => {
+      // 订阅个人频道
       newSocket.emit('message:subscribe', `user_${user.id}`);
+      // 订阅系统频道
+      newSocket.emit('message:subscribe', 'system');
+      // 订阅公告频道
+      newSocket.emit('message:subscribe', 'announce');
       setIsSubscribed(true);
     });
 
     // 处理实时消息
-    newSocket.on('message:broadcasted', (newMessage) => {
+    const handleNewMessage = (newMessage: any) => {
       queryClient.setQueryData(['messages'], (oldData: any) => {
         if (!oldData) return oldData;
         return {
@@ -61,7 +66,12 @@ export const NotificationsPage = () => {
           count: oldData.count + 1
         };
       });
-    });
+    };
+
+    // 处理广播消息
+    newSocket.on('message:broadcasted', handleNewMessage);
+    // 处理频道推送消息
+    newSocket.on('message:received', handleNewMessage);
 
     // 错误处理
     newSocket.on('error', (error) => {
@@ -71,6 +81,8 @@ export const NotificationsPage = () => {
     return () => {
       if (newSocket) {
         newSocket.emit('message:unsubscribe', `user_${user.id}`);
+        newSocket.emit('message:unsubscribe', 'system');
+        newSocket.emit('message:unsubscribe', 'announce');
         newSocket.disconnect();
       }
     };