Lumen v1.0.0

Features

• feat: add homebrew cask for GUI; rename CLI formula to lumen-cli

Fixes

• fix(release): use POSIX [Yy] glob instead of bash-4 ${answer,,}
• fix(release): brace ${TAG} so bash 3.2 parses it before the ellipsis
• fix: skip tap update steps when TAP_PUSH_TOKEN is unavailable
• fix: make update-tap resilient when token secret is unset
• fix: skip update-tap job when TAP_PUSH_TOKEN is missing
• fix: discover DMG by find rather than hard-coding tag-derived filename

Maintenance

• chore: harden tap token availability check

Other

• Merge pull request #1 from HackPoint/copilot/fix-update-homebrew-tap-job
• Initial plan