fix: DeviceAttributeConsumer 失败时返回 FAILURE；DeviceModelProxyService 传播异常
- DeviceAttributeConsumer catch 后返回 ConsumeResult.FAILURE 以支持重试
- DeviceModelProxyService 去掉 try/catch，异常由 AbstractRocketMQListener 兜底返回 FAILURE
Co-authored-by: Cursor cursoragent@cursor.com