unjs/citty

#1 — cli argument handling issues cluster

#2 — async process handling cluster

#3 — update and warn unknown options cluster

#4 — subcommand configuration options cluster

#5 — customizable showusage functionality cluster

#6 — bash completion enhancements cluster

#7 — support citty command enhancements cluster

#8 — positional arguments conflicts cluster

#9 — version retrieval issues cluster