Replace incorrect README icon with actual Atlas app icon, add new
screenshots (about, settings, privilege), improve feature view
responsiveness and empty states, adjust design system brand tokens
and localization strings, add icon generation script.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Use adaptive grid columns and atlasContentWidth for responsive layouts
in Overview, Apps, History, and SmartClean views. Add action buttons
to empty states. Use flexible height for Apps split view. Refine
SmartClean scan/plan UI with brand-tinted progress and status chips.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>