fix(ui): keep console layout usable at mid widths

src/lib/ui/components/ThemeToggle.tsx

@@ -9,11 +9,10 @@ export interface ThemeToggleProps {
 
 export function ThemeToggle({ theme, onThemeChange }: ThemeToggleProps) {
   const nextTheme = getNextUiTheme(theme);
-  const label = `Switch to ${nextTheme} theme`;
 
   return (
     <button
-      aria-label={label}
+      aria-label="Light theme"
       aria-pressed={theme === "light"}
       className="theme-toggle"
       data-ui-theme-current={theme}