1.2.1

What's Changed

• fix(ui): eliminate button overlapping on PC and mobile viewports with flex gaps by @ankhang0704 in #8
• fix(ui): refine preview header actions and conflict banner mobile layout by @ankhang0704 in #9
• chore(release): bump version to 1.2.1 and fix button layout overlapping by @ankhang0704 in #10

Full Changelog: 1.2.0...1.2.1