refactor: 统一实体/限流AOP化/精简日志/文件归位

src/main/java/com/youlai/boot/message/job/OnlineUserCountTask.java

@@ -0,0 +1,29 @@
+package com.youlai.boot.message.job;
+
+import com.youlai.boot.message.registry.SseSessionRegistry;
+import com.youlai.boot.message.service.SseService;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Component;
+
+/**
+ * 在线用户统计
+ * <p>定时统计并广播当前在线用户数量</p>
+ */
+@Component
+@Slf4j
+@RequiredArgsConstructor
+public class OnlineUserCountTask {
+
+    private final SseSessionRegistry sessionRegistry;
+    private final SseService sseService;
+
+    @Scheduled(cron = "0 */3 * * * ?")
+    public void execute() {
+        int onlineCount = sessionRegistry.getOnlineUserCount();
+        int connectionCount = sessionRegistry.getTotalConnectionCount();
+        log.debug("在线用户数={} 总连接数={}", onlineCount, connectionCount);
+        sseService.sendOnlineCount();
+    }
+}