feat(macos): Ulk.app v0.3 — Sparkle 2.x + tag-triggered release pipeline#148

izo merged 4 commits intomainizo/Ulk:mainfrom

claude/macos-ulk-v0.3-sparkle-releaseizo/Ulk:claude/macos-ulk-v0.3-sparkle-releaseCopy head branch name to clipboard