fix(auth): i18n и react-hook-form на странице логина

Добавлены i18next, схема zod и react-hook-form для формы входа.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/components/LocaleProvider.tsx

@@ -0,0 +1,30 @@
+import React, { useEffect } from 'react';
+import { ConfigProvider } from 'antd';
+import ruRU from 'antd/locale/ru_RU';
+import enUS from 'antd/locale/en_US';
+import dayjs from 'dayjs';
+import 'dayjs/locale/ru';
+import 'dayjs/locale/en';
+import { useTranslation } from 'react-i18next';
+import { useAuthStore } from '../store/authStore';
+
+const antdLocales = { ru: ruRU, en: enUS } as const;
+
+const LocaleProvider: React.FC<{ children: React.ReactNode }> = ({ children }) => {
+    const { i18n } = useTranslation();
+    const language = useAuthStore((s) => s.user?.language);
+    const locale = language === 'en' ? 'en' : 'ru';
+
+    useEffect(() => {
+        void i18n.changeLanguage(locale);
+        dayjs.locale(locale);
+    }, [i18n, locale]);
+
+    return (
+        <ConfigProvider locale={antdLocales[locale]}>
+            {children}
+        </ConfigProvider>
+    );
+};
+
+export default LocaleProvider;