{"service": "微信直通服务", "version": "2.1", "endpoints": {"POST /send": "发送消息或文件到微信", "POST /send?retry=<id>": "手动重试指定消息", "GET /queue/stats": "队列统计", "GET /queue/list": "列出待发送消息", "GET /queue/clear": "清除成功/失败消息"}, "auth": "需要 Authorization: Bearer ***", "queue_info": {"active": 0, "dead_letters": 19, "total_pending": 0}}