this is a awesome proposal, in fact we already have connected spring cloud to servicecomb, service center is finished by ourself, https://github.com/huaweicloud/spring-cloud-huawei you can directly use it.
for kie you can develop the java client and spring cloud components, that would also helps a lot to our ecosystem. the Java client for kie, you can contribute to https://github.com/apache/servicecomb-kie. the spring-cloud-servicecomb-kie component, I recommand you contribute to https://github.com/huaweicloud/spring-cloud-huawei.
