Implement rate limiting and enhance authentication flow

- Added rate limiting configuration for authentication endpoints, allowing customizable request limits via environment variables.
- Updated authentication flow to utilize HttpRequest for cookie management, ensuring secure handling of refresh tokens.
- Introduced a new endpoint to retrieve user subscription details.
- Enhanced the handling of Telegram bot token validation to prevent errors with empty tokens.
- Updated the application to serialize enums as strings for better documentation and compatibility with TypeScript.
- Improved test coverage for new features and adjustments in command handlers.

frontend/vite.config.ts

@@ -1,13 +1,22 @@
+import path from 'node:path'
 import { defineConfig } from 'vite'
 import react from '@vitejs/plugin-react'
 import tailwindcss from '@tailwindcss/vite'
+import { tanstackRouter } from '@tanstack/router-plugin/vite'
 
 // Бэкенд для dev-прокси (Api слушает http://localhost:8080). См. docs/frontend.md.
 const apiTarget = process.env.VITE_API_TARGET ?? 'http://localhost:8080'
 
 // https://vite.dev/config/
 export default defineConfig({
-  plugins: [react(), tailwindcss()],
+  plugins: [
+    tanstackRouter({ target: 'react', autoCodeSplitting: true, routesDirectory: './src/routes' }),
+    react(),
+    tailwindcss(),
+  ],
+  resolve: {
+    alias: { '@': path.resolve(__dirname, './src') },
+  },
   server: {
     proxy: {
       '/api': { target: apiTarget, changeOrigin: true },