fix: 暂存

src/main/java/com/webgame/webgamebackend/sse/SseController.java

@@ -4,7 +4,6 @@ import cn.dev33.satoken.stp.StpUtil;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.http.MediaType;
-import org.springframework.scheduling.TaskScheduler;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestHeader;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -12,11 +11,12 @@ import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.servlet.mvc.method.annotation.SseEmitter;
 
 import java.io.IOException;
-import java.time.Duration;
-import java.util.concurrent.ScheduledFuture;
 
 /**
  * SSE 订阅端点
+ *
+ * 提供 GET /sse/subscribe 端点建立持久化 SSE 连接。
+ * 心跳由 SseConnectionManager 统一批量管理，此处不再维护 per-connection 定时器。
  */
 @Slf4j
 @RestController
@@ -24,11 +24,10 @@ import java.util.concurrent.ScheduledFuture;
 @RequiredArgsConstructor
 public class SseController {
 
+    /** SseEmitter 超时时间（30 分钟），超时后由 SseConnectionManager 的 onTimeout 回调清理 */
     private static final long SSE_TIMEOUT_MS = 30 * 60 * 1000L;
-    private static final Duration HEARTBEAT_INTERVAL = Duration.ofSeconds(30);
 
     private final SseConnectionManager connectionManager;
-    private final TaskScheduler sseTaskScheduler;
 
     @GetMapping(value = "/subscribe", produces = MediaType.TEXT_EVENT_STREAM_VALUE)
     public SseEmitter subscribe(
@@ -37,21 +36,7 @@ public class SseController {
         SseEmitter emitter = new SseEmitter(SSE_TIMEOUT_MS);
         String connectionId = connectionManager.register(userId, emitter);
 
-        ScheduledFuture<?> heartbeatTask = sseTaskScheduler.scheduleAtFixedRate(() -> {
-            try {
-                emitter.send(SseEmitter.event().name("heartbeat").data(""));
-            } catch (IOException | IllegalStateException e) {
-                log.debug("[SSE] 心跳发送失败, userId={}, connectionId={}, reason={}",
-                        userId, connectionId, e.getMessage());
-                connectionManager.remove(userId, connectionId);
-            }
-        }, HEARTBEAT_INTERVAL);
-
-        Runnable cancelHeartbeat = () -> heartbeatTask.cancel(false);
-        emitter.onCompletion(cancelHeartbeat);
-        emitter.onTimeout(cancelHeartbeat);
-        emitter.onError(error -> cancelHeartbeat.run());
-
+        // 发送初始连接确认
         try {
             emitter.send(SseEmitter.event()
                     .name("connected")