fix: resolve Vite MUI deep import by moving to barrel import + updated ESLint allowlist

- Changed @mui/material/Box deep imports to { Box } from '@mui/material'
- Updated no-restricted-imports to only restrict DS-covered components,
  allowing Box/Stack/Grid for layout

apps/frontend/.eslintrc.cjs

@@ -32,7 +32,16 @@ module.exports = {
     'no-restricted-imports': ['warn', {
       paths: [{
         name: '@mui/material',
-        message: 'Import from @moex-vibe/design-system instead.',
+        importNames: [
+          // DS-covered: import from @moex-vibe/design-system
+          'Typography', 'Button', 'TextField', 'Select', 'Checkbox',
+          'Paper', 'Chip', 'Badge', 'Alert', 'Dialog', 'Skeleton',
+          'CircularProgress', 'Link', 'IconButton',
+          'Table', 'TableBody', 'TableCell', 'TableContainer',
+          'TableHead', 'TableRow', 'TableSortLabel',
+          'TablePagination', 'Pagination',
+        ],
+        message: 'Import from @moex-vibe/design-system instead, or use Box/Stack/Grid for layout.',
       }],
     }],
     '@typescript-eslint/no-unused-vars': ['error', { argsIgnorePattern: '^_' }],

apps/frontend/src/pages/home/ui/HomePage.tsx

@@ -1,4 +1,4 @@
-import Box from '@mui/material/Box';
+import { Box } from '@mui/material';
 import { Heading, Text } from '@moex-vibe/design-system';
 
 export function HomePage() {

apps/frontend/src/widgets/search-bar/ui/SearchBar.tsx

@@ -1,6 +1,6 @@
 import { useState, useRef, useEffect } from 'react';
 import { useNavigate } from 'react-router-dom';
-import Box from '@mui/material/Box';
+import { Box } from '@mui/material';
 import { Chip, Surface, Text, TextField } from '@moex-vibe/design-system';
 import { useSearch } from '@/entities/search';