frontend: big upgrade

frontend/package.json

@@ -10,6 +10,7 @@
     "preview": "vite preview"
   },
   "dependencies": {
+    "crypto-js": "^4.2.0",
     "js-cookie": "^3.0.5",
     "react": "^19.2.0",
     "react-cookie": "^8.0.1",
@@ -17,6 +18,7 @@
   },
   "devDependencies": {
     "@eslint/js": "^9.33.0",
+    "@types/crypto-js": "^4.2.2",
     "@types/react": "^19.1.10",
     "@types/react-dom": "^19.1.7",
     "@vitejs/plugin-react": "^5.0.0",