command -v may miss the binary if sudo stripped PATH; check the canonical apt install location directly as a fallback before reporting failure, and use the same fallback when printing the installed version. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01LQJBvqzXeyuhhAcAA3Q5Wq