sneak b7e6ff9df1 scan: drop the stray [flags] from the usage line (closes #169) ...

The scan Use string already names every flag, so cobra no longer appends
its generic [flags]. A test checks the usage line in the help and in the
usage error against the one README.md shows.

Model: opus-5-5

2026-11-11 03:55:16 +00:00

..

sfdupes

scan: drop the stray [flags] from the usage line (closes #169)

2026-11-11 03:55:16 +00:00