Generated executables always used the console subsystem and opened a
console window on launch. The opt-in flag writes IMAGE_SUBSYSTEM_WINDOWS_GUI.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
std::system returns a wait status on POSIX, so returning it from main
truncated a guest exit code of 1 (status 256) to 0. The prompt also
required pressing Enter twice because cin.get followed cin.ignore.
Co-Authored-By: Claude Opus 5.5 <[email protected]>