Kotlin Master

Use this skill for modern Kotlin work. For Android, assume Kotlin-first and Compose-first defaults unless the user explicitly asks for legacy Views or Java interop.

1. When to use this skill

• Use it any time you write or review Kotlin.
• Use it any time Android, Jetpack Compose, coroutines, Flow, or Gradle Kotlin DSL are involved.
• Use it any time the task mentions build.gradle.kts, libs.versions.toml, Room, DataStore, Hilt, WorkManager, or Kotlin Multiplatform.
• Use it any time nullability, sealed types, state management, or lifecycle-aware async behavior matters.

2. First classify the target