Horizontal lines in help output do not consider terminal width

[peterjc]

Consider this example based on that in #2,

from typing import Annotated
import yapx


def say_hello(
    name: Annotated[
        str, yapx.arg(help="Who or what to greet?", metavar="NAME")
    ] = "World",
):
    print(f"Hello {name}")


yapx.run(say_hello)

The output is fine if the terminal is at least 80 characters wide. However, it does not check and the horizontal lines wrap on a narrower terminal:

Testing with yapx 0.5.3 on macOS with Python 3.12

[fresh2dev]

Thanks for the report. I'll address this. I'm interested in this as well:

hamdanal/rich-argparse#136