v2026.09.23

What's Changed

• fix(skills): ignore non-skill markdown in plugins by @Kaguya-19 in #602
• fix: show workspace upload progress and reject duplicate filenames by @mssssss123 in #603
• fix(config): prevent concurrent YAML corruption by @Kaguya-19 in #597
• fix(ui): make workspace panels responsive and streamline composer controls by @mssssss123 in #604
• fix(windows): improve installer controls and add tray background mode by @xhd0728 in #605
• fix(desktop): add macOS background lifecycle and unified quit protection by @mssssss123 in #606

Full Changelog: v2026.09.19...v2026.09.23