v0.21.0-beta.3

What's Changed

• feat(lifecycle): theme quit and close-behavior confirms by @vastsa in #1714
• fix(composer): keep model rows on one line and truncate long names by @vastsa in #1717
• feat(sidebar): show last reply dates in project sessions by @vastsa in #1718
• feat(plugins): add scoped HTML preview API for Browser by @vastsa in #1719
• fix(chat): add HTML open-with destinations by @vastsa in #1713
• fix(host-core): request Windows runner breakaway only when the job allows it by @chengzhi-c in #1716
• fix(todo-dock): clarify checklist disclosure control by @vastsa in #1723
• feat(plugins): add ratings and reviews with installed card grid by @Tioit-Wang in #1727
• feat(todo-dock): sweep the working step and drop per-row chrome by @Tioit-Wang in #1729
• chore(release): prepare 0.21.0-beta.3 by @Tioit-Wang in #1730

Full Changelog: v0.21.0-beta.1...v0.21.0-beta.3