feat: Localize default UI language and service messages to Spanish.

web/studio/src/context/I18nContext.tsx

@@ -17,7 +17,7 @@ interface I18nContextType {
 const I18nContext = createContext<I18nContextType | undefined>(undefined);
 
 export function I18nProvider({ children }: { children: React.ReactNode }) {
-    const [language, setLanguageState] = useState('en');
+    const [language, setLanguageState] = useState('es');
 
     useEffect(() => {
         const savedLang = localStorage.getItem('studio_language');