feat: 添加WebSocket服务层

novalon-manage-api/manage-sys/src/main/java/cn/novalon/manage/sys/core/service/IWebSocketService.java

@@ -0,0 +1,10 @@
+package cn.novalon.manage.sys.core.service;
+
+import reactor.core.publisher.Mono;
+
+public interface IWebSocketService {
+    Mono<Void> sendToUser(Long userId, Object message);
+    Mono<Void> broadcast(Object message);
+    Mono<Void> notifyNewNotice(String noticeTitle, String noticeContent);
+    Mono<Void> notifyNewMessage(Long userId, String title, String content);
+}

novalon-manage-api/manage-sys/src/main/java/cn/novalon/manage/sys/core/service/impl/WebSocketServiceImpl.java

@@ -0,0 +1,55 @@
+package cn.novalon.manage.sys.core.service.impl;
+
+import cn.novalon.manage.sys.core.service.IWebSocketService;
+import cn.novalon.manage.sys.websocket.SysWebSocketHandler;
+import org.springframework.stereotype.Service;
+import reactor.core.publisher.Mono;
+
+import java.util.HashMap;
+import java.util.Map;
+
+@Service
+public class WebSocketServiceImpl implements IWebSocketService {
+
+    private final SysWebSocketHandler webSocketHandler;
+
+    public WebSocketServiceImpl(SysWebSocketHandler webSocketHandler) {
+        this.webSocketHandler = webSocketHandler;
+    }
+
+    @Override
+    public Mono<Void> sendToUser(Long userId, Object message) {
+        return Mono.fromRunnable(() -> {
+            webSocketHandler.sendMessageToUser(String.valueOf(userId), message);
+        });
+    }
+
+    @Override
+    public Mono<Void> broadcast(Object message) {
+        return Mono.fromRunnable(() -> {
+            webSocketHandler.broadcastMessage(message);
+        });
+    }
+
+    @Override
+    public Mono<Void> notifyNewNotice(String noticeTitle, String noticeContent) {
+        Map<String, Object> notification = new HashMap<>();
+        notification.put("type", "notice");
+        notification.put("title", noticeTitle);
+        notification.put("content", noticeContent);
+        notification.put("timestamp", System.currentTimeMillis());
+
+        return broadcast(notification);
+    }
+
+    @Override
+    public Mono<Void> notifyNewMessage(Long userId, String title, String content) {
+        Map<String, Object> notification = new HashMap<>();
+        notification.put("type", "message");
+        notification.put("title", title);
+        notification.put("content", content);
+        notification.put("timestamp", System.currentTimeMillis());
+
+        return sendToUser(userId, notification);
+    }
+}