Drop default --noconfirm (opt-in via --noconfirm), fix --noremovemake,
forward pacman argv intact for -R/-D/-F/-T/-U, deepen PKGBUILD review,
show an install plan before building, and add shellcheck CI plus unit tests.
Co-authored-by: Frank Vitrano <WHC2006@users.noreply.github.com>
Skip local path resolution when install.sh runs via bash <(curl ...),
so resolve_src falls through to cloning instead of aborting on /dev/fd.
Co-authored-by: Frank Vitrano <WHC2006@users.noreply.github.com>