feat: default locale Russian, geo determines language for other countries

- localization-svc: defaultLocale ru, resolveLocale only by geo
- web-svc: DEFAULT_LOCALE ru, layout lang=ru, embeddedTranslations fallback ru
- countryToLocale: default ru when no country or unknown country

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

services/web-svc/next.config.mjs

@@ -0,0 +1,65 @@
+import path from 'node:path';
+import { fileURLToPath } from 'node:url';
+import { createRequire } from 'node:module';
+
+// Загружаем .env из корня монорепо (apps/frontend -> корень)
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+const rootDir = path.resolve(__dirname, '..', '..');
+const require = createRequire(import.meta.url);
+require('dotenv').config({ path: path.join(rootDir, '.env') });
+
+import pkg from './package.json' with { type: 'json' };
+
+/** @type {import('next').NextConfig} */
+const nextConfig = {
+  output: 'standalone',
+  images: {
+    remotePatterns: [
+      { hostname: 's2.googleusercontent.com' },
+      { hostname: 'images.unsplash.com' },
+      { hostname: 'placehold.co' },
+    ],
+  },
+  serverExternalPackages: ['pdf-parse'],
+  outputFileTracingIncludes: {
+    '/api/**': [
+      './node_modules/@napi-rs/canvas/**',
+      './node_modules/@napi-rs/canvas-linux-x64-gnu/**',
+      './node_modules/@napi-rs/canvas-linux-x64-musl/**',
+    ],
+  },
+  env: {
+    NEXT_PUBLIC_VERSION: pkg.version,
+  },
+  async rewrites() {
+    const gateway = process.env.API_GATEWAY_URL ?? 'http://localhost:3015';
+    return [
+      { source: '/api/chat', destination: `${gateway}/api/chat` },
+      { source: '/api/v1/:path*', destination: `${gateway}/api/v1/:path*` },
+      { source: '/api/config', destination: `${gateway}/api/v1/config` },
+      { source: '/api/config/:path*', destination: `${gateway}/api/v1/config/:path*` },
+      { source: '/api/providers', destination: `${gateway}/api/v1/providers` },
+      { source: '/api/providers/:path*', destination: `${gateway}/api/v1/providers/:path*` },
+      { source: '/api/weather', destination: `${gateway}/api/v1/weather` },
+      { source: '/api/auth/:path*', destination: `${gateway}/api/auth/:path*` },
+      { source: '/api/locale', destination: `${gateway}/api/locale` },
+      { source: '/api/translations/:path*', destination: `${gateway}/api/translations/:path*` },
+      { source: '/api/geo-context', destination: `${gateway}/api/geo-context` },
+      { source: '/api/images', destination: `${gateway}/api/images` },
+      { source: '/api/videos', destination: `${gateway}/api/videos` },
+      { source: '/api/suggestions', destination: `${gateway}/api/suggestions` },
+    ];
+  },
+};
+
+const withPWA = require('@ducanh2912/next-pwa').default({
+  dest: 'public',
+  disable: process.env.NODE_ENV === 'development',
+  register: true,
+  skipWaiting: true,
+  fallbacks: {
+    document: '/offline',
+  },
+});
+
+export default withPWA(nextConfig);