Detect apt subcommands after runnable apt invocations and mark known
subcommands as commands while styling unknown ones as unknown tokens.
Load apt subcommands lazily from apt help with a built-in fallback list so
highlighting works across apt versions. Add tests for valid and invalid apt
subcommand handling.feat(main): highlight invalid apt subcommands distinctly
Detect apt subcommands after runnable apt invocations and mark known
subcommands as commands while styling unknown ones as unknown tokens.
Load apt subcommands lazily from apt help with a built-in fallback list so
highlighting works across apt versions. Add tests for valid and invalid apt
subcommand handling.
oliver