- Implement doRequestAndDecode to eliminate HTTP boilerplate
- Update client API to accept []string for namespaces to support hierarchy
- Standardize error response decoding across all client methods
- Move all client methods to client.go
- Remove duplicate types/constants from s3tables_integration_test.go
- Keep setup.go for test infrastructure
- Keep integration test logic in s3tables_integration_test.go
- Clean up unused imports
- Test compiles successfully
- Create setup.go with TestCluster and S3TablesClient definitions
- Create client.go with HTTP client methods for all operations
- Test utilities and client methods organized for reusability
- Foundation for S3 Tables integration tests