sbt 2.x CLI Skill

Covers driving sbt 2.x from the command line: the sbt runner, the interactive shell, and task invocation syntax.

Frame of reference: sbt 2.x as it behaves today. sbt 1.x habits — sbt clean compile test, test running everything, testQuick for incremental runs, test:compile, per-project target/ dirs — no longer hold.

Mental model shifts