The PKGBUILD states what the package is: a real screen locker provided as is, and parody media from Jurassic Park that the AGPL does not cover. The ahfail command has only been tested on Linux, so macOS builds keep the PAM hook and skip it; the README no longer promises it there. Claude-Session: https://claude.ai/code/session_012LCTmU2ewo8tnM1dByYAoG