fix(install): refuse to guess between multiple installs on --update with no --cmd - #659

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fujibee wants to merge 3 commits into

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fix-599-install

Commits on Aug 7, 2026

fix(install): refuse to guess between multiple installs on
fujibee
committed
c507cc1
fix(install): narrow the backup-directory exclusion, add a
fujibee
committed
7eb076f
fix(install): drop the backup-name exclusion entirely, pure fail
fujibee
committed
d11c72e