- Add aws_access_key_id, aws_secret_access_key, aws_session_token, and region_name parameters
- Pass credentials through to S3StorageAdapter and boto3.client()
- Enables multi-tenant scenarios with different AWS accounts
- Maintains backward compatibility (uses boto3 default credential chain when omitted)
- Add comprehensive tests for credential handling
- Add examples/credentials_example.py with usage examples
Fixes credential conflicts when multiple SDK instances need different credentials.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
