chore: clean .gitignore cache

frontend/vitest.config.ts

@@ -1,35 +0,0 @@
-import { defineConfig } from 'vitest/config'
-import react from '@vitejs/plugin-react'
-
-export default defineConfig({
-  plugins: [react()],
-  test: {
-    pool: 'threads',
-    globals: true,
-    environment: 'jsdom',
-    setupFiles: './src/test/setup.ts',
-    // TypeScript types for test globals - these are automatically available in test files
-    typecheck: {
-      tsconfig: './tsconfig.json',
-    },
-    exclude: [
-      'node_modules/**',
-      'dist/**',
-      'e2e/**', // Playwright E2E tests - run separately
-      'tests/**', // Playwright smoke tests - run separately
-    ],
-    coverage: {
-      provider: 'v8',
-      reporter: ['text', 'json', 'html'],
-      exclude: [
-        'node_modules/',
-        'src/test/',
-        '**/*.d.ts',
-        '**/*.config.*',
-        '**/mockData.ts',
-        'dist/',
-        'e2e/',
-      ],
-    },
-  },
-})