leaseOwnerLabel function
Human label for a lease host in banners: cli → fa CLI,
app surfaces → Fa.app, else the raw kind.
Implementation
String leaseOwnerLabel(String host) => switch (host) {
'cli' => 'fa CLI',
'app' || 'macos' || 'ios' || 'android' => 'Fa.app',
'extension' => 'Fa extension',
final other => other,
};