kotlin

name	kotlin
description	Kotlin development: coroutines, Flow, Channels, testing with JUnit 5 and Kotest.
user-invocable	false
context	fork
agent	kotlin-general-engineer
routing	{"triggers":["kotlin coroutines","kotlin structured concurrency","kotlin Flow","kotlin Channel","suspend function","structured concurrency kotlin","kotlin testing","junit kotlin","kotest","junit 5 kotlin","kotlin test dispatcher"],"category":"kotlin","pairs_with":["test-driven-development"]}

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

Load greedily. If the user's question touches any signal keyword, load the matching reference before responding. Multiple signals matching = load all matching references.