modify: mqtt心跳转发

aibox_sophon_adapter/router/board_ping.py

@@ -27,7 +27,7 @@ async def board_ping(request: BoardPingRequest, worker_id: str = "") -> dict:
     设备通过 MQTT 主题 /board_ping 定期（默认 5 秒）上报系统状态。
     收到心跳后更新数据库中的设备记录，标记为在线。
     """
-    from ..global_var import db, heartbeat_timeout, stream_manager, link_path
+    from ..global_var import db, heartbeat_timeout, stream_manager, link_path, mqtt_forward
 
     board_id = request.BoardId
 
@@ -93,6 +93,10 @@ async def board_ping(request: BoardPingRequest, worker_id: str = "") -> dict:
                 source_url = media["MediaUrl"].replace("/Link", link_path)
                 await stream_manager.start_stream(f"/{stream_id}", source_url)
 
+        # 转发心跳数据到外部 MQTT Broker
+        if mqtt_forward is not None:
+            await mqtt_forward.publish(ping_data)
+
         logger.debug(
             f"[Heartbeat] {board_id}: temp={request.BoardTemp}, "
             f"disk={request.HostDisk.Used}/{request.HostDisk.Total} kB, "