Bitrig hosts its iOS simulators in its own device set
(~/Library/Bitrig/Simulators); the NativeScript CLI only looks at Apple's
default set, so ns run ios does not see them. ns-bitrig.sh runs the
unmodified CLI with three process-local shims:
xcrun simctl …becomesxcrun simctl --set ~/Library/Bitrig/Simulators …;open Simulator.appis skipped while Bitrig shows a booted device;- the CLI's installed-app lookup, which reads Apple's default simulator