The runner's PKGEXT is .pkg.tar.xz, so the .zst glob never matched;
--packagelist yields the exact filename, and options=('!strip') lets the
foreign-arch binary be packaged on the aarch64 host without stripping.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GLUwWE2KmFPzhKaf67tWbx