Add overview-icon/insight-icon script with iconify API integration for movie/TV/alert/download icons (overview) and check/playlist/database/monitor icons (insight). Add color-coded URL encoding (%238bc9f2 blue, %23d7adf3 purple, %23ff9e9e red, %236ae29a green for overview; blue/purple/yellow/green for insight). Add MutationObserver to reapply icons on DOM changes. Add .overview-icon img