Kotlin Skill

Kotlin coroutine patterns and testing: structured concurrency, Flow, StateFlow/SharedFlow, Channels, dispatchers, JUnit 5, Kotest, MockK, and coroutine test dispatchers.

Reference Loading Table

Signal	Reference	Size
concurrency, scopes, cancellation, dispatchers, exception handling	`references/concurrency-patterns.md`	~130 lines
Flow, StateFlow, SharedFlow, operators, flow builders	`references/flow-patterns.md`	~120 lines
Channels, producer-consumer, fan-in, fan-out	`references/channel-patterns.md`	~100 lines
GlobalScope, unstructured launch, CancellationException, failure modes	`references/preferred-patterns.md`	~80 lines
coroutine skill overview, structured concurrency principles	`references/kotlin-coroutines.md`	~55 lines
JUnit 5, Kotest, MockK, runTest, parameterized tests, assertions	`references/kotlin-testing.md`	~290 lines

Loading rule. Read the references whose signals match the task before responding.

kotlin

Kotlin Skill

Reference Loading Table