The library currently lacks support for numeric short flags (e.g., -0 , -1 , …, -9 ) because check sname…

The library currently lacks support for numeric short flags (e.g., -0 , -1 , …, -9 ) because check sname…: a task in LegoFlow-SWE (Harbor dataset). Additionally, flags are strictly boolean or count-based: they cannot accept an optional argument. Many real-world tools need hybrid flag/options that…