test: uninstall cypress, add playwright

frontend/package.json

@@ -1,6 +1,5 @@
 {
   "name": "frontend",
-  "private": true,
   "version": "0.0.0",
   "type": "module",
   "scripts": {
@@ -8,7 +7,7 @@
     "build": "tsc && vite build",
     "lint": "eslint . --ext ts,tsx --report-unused-disable-directives --max-warnings 0",
     "preview": "vite preview",
-    "cy:test": "cypress run --headed --no-exit"
+    "test:e2e": "playwright test"
   },
   "dependencies": {
     "axios": "^1.6.8",
@@ -16,14 +15,15 @@
     "react-dom": "^18.2.0"
   },
   "devDependencies": {
+    "@playwright/test": "^1.51.0",
     "@testing-library/jest-dom": "^6.4.2",
     "@testing-library/react": "^14.2.2",
+    "@types/node": "^22.13.10",
     "@types/react": "^18.2.43",
     "@types/react-dom": "^18.2.17",
     "@typescript-eslint/eslint-plugin": "^6.14.0",
     "@typescript-eslint/parser": "^6.14.0",
     "@vitejs/plugin-react": "^4.2.1",
-    "cypress": "^13.7.1",
     "eslint": "^8.55.0",
     "eslint-plugin-react-hooks": "^4.6.0",
     "eslint-plugin-react-refresh": "^0.4.5",