Ignored the agent auth sentinel when selecting Bedrock bearer auth so AWS credential sources still use SigV4. Added regression coverage for sentinel forwarding with AWS_BEARER_TOKEN_BEDROCK and static AWS credentials. Fixes #1399
Ignored the agent auth sentinel when selecting Bedrock bearer auth so AWS credential sources still use SigV4. Added regression coverage for sentinel forwarding with AWS_BEARER_TOKEN_BEDROCK and static AWS credentials. Fixes #1399