[dyad] Giriş hatalarını doğrula

package.json

@@ -27,7 +27,8 @@
     "db:generate": "prisma generate",
     "db:migrate": "prisma migrate dev",
     "db:reset": "prisma migrate reset",
-    "db:seed": "bun prisma/seed.ts"
+    "db:seed": "bun prisma/seed.ts",
+    "test": "playwright test --config playwright-dyad.config.ts"
   },
   "dependencies": {
     "@dnd-kit/core": "^6.3.1",
@@ -102,6 +103,7 @@
     "zustand": "^5.0.6"
   },
   "devDependencies": {
+    "@playwright/test": "^1.62.1",
     "@tailwindcss/postcss": "^4",
     "@types/bcryptjs": "^3.0.0",
     "@types/react": "^19",