feat(global): implement main phase

src/lib/i18n/index.ts

@@ -0,0 +1,23 @@
+// Type exports
+export type { Language, Translations, PromptPreset, PersonalityData } from './types';
+
+// Context exports (from svelte.ts file for runes support)
+export { createI18nContext, setI18nContext, getI18n, type I18nContext } from './context.svelte';
+
+// Translation data
+import en from './translations/en';
+import ru from './translations/ru';
+import type { Language, Translations } from './types';
+
+const translations: Record<Language, Translations> = { en, ru };
+
+export const languages: Language[] = ['ru', 'en'];
+export const defaultLanguage: Language = 'ru';
+
+export function getTranslations(lang: Language): Translations {
+	return translations[lang] || translations[defaultLanguage];
+}
+
+export function isValidLanguage(lang: string): lang is Language {
+	return languages.includes(lang as Language);
+}