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Develop with Kotlin

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Application code depends on one module, orchestration-api. It contains the whole port:

Type	Role
Orchestrator	start work, get a RunHandle back; run, start, handle
Runner	the worker side: register handlers and flows for a queue, start()
TaskType, TaskHandler, TaskContext	one unit of work
FlowType, FlowDefinition, FlowScope	a durable program
RunOptions, TaskOptions, RetryPolicy	budgets and policies
RunHandle, FlowHandle, RunStatus, RunState	what you hold after starting

Two engines implement it:

• orchestration-engine: the orchestrator, over the wire. Production.
• orchestration-memory: the same port in-process, no server. Tests, and the proof that the port is engine-neutral.

Both pass the same 40-test contract, shipped as test fixtures of the api module.

• Quickstart
• Tasks
• Flows
• Testing
• Configuration