Compensable workflows in Kotlin: a DSL of steps, a compensation per step, and state checkpointed after each one

Where stx-workflow instances live: the WorkflowStore on Redis, on SQL through stx-jpa, and on MongoDB — one package each

Ktor plugin for stx-workflow: one engine per application, and the worker on its scope

Spring Boot auto-configuration for stx-workflow, opt-in behind stx.workflow