The base for everything served through AWS Bedrock, on the AWS SDK alone: the Converse
client (every vendor Bedrock serves, Claude included), Cohere embeddings, the shared AWS
credential and transport wiring, the account's model listings, and the Bedrock-only and
zero-retention pickers. Carries the catalog fragment of the models it serves. A client
family with an SDK of its own adds to this artifact rather than living in it: the
Anthropic-on-Bedrock and ...