- Introduced buildkite_test_suite_workflow Terraform resource (v1.43.0) to define, import, and manage Test Engine workflows as code.
- Added REST API endpoints for listing, creating, updating, and deleting workflows, requiring read_suites/write_suites token scopes.
- Enabled configuration of monitors, filters, and actions (e.g., flaky label handling) via Terraform or API, replacing UI-only setup.