v0.2.0 - Page themes

New\n\n- Five page-theme presets with custom base, accent, and button colors\n- Native, rounded, pill, square, and glass button styles\n- System, rounded, serif, and monospace font styles\n- Base font-size scaling from 90% to 115%\n- Independent wallpaper and theme switches with full style cleanup\n\nVerified on DeepSeek Harness 0.1.0-rc.7.