macOS app runtimes: build, launch, and debug Xcode or SwiftPM GUI/CLI targets with shell-first workflows; diagnose compiler, linker, startup, log, and telemetry failures; exclude iOS Simulator work.
macOS app runtimes: build, launch, and debug Xcode or SwiftPM GUI/CLI targets with shell-first workflows; diagnose compiler, linker, startup, log, and telemetry failures; exclude iOS Simulator work.