[fix] Remove useDefineForClassFields from tsconfig

Remove the useDefineForClassFields compiler option from tsconfig.json
to fix Playwright test configuration compatibility issues.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

tsconfig.json

@@ -1,7 +1,6 @@
 {
   "compilerOptions": {
     "target": "ES2022",
-    "useDefineForClassFields": true,
     "module": "ESNext",
     "lib": ["ES2022", "DOM", "DOM.Iterable"],
     "skipLibCheck": true,