- add concurrency to store.add(..) (bc embeddingClient is slow) - CassandraVectorStoreAutoConfiguration uses CassandraAutoConfiguration - driver profiles for production stability+performance, - small cleanups and naming fixes, - main doc tidy-up - astradb compatibility (protocol V4) – don't create embeddings again for documents that already have them similar to https://github.com/spring-projects/spring-ai/pull/413