feat: authorization

services/frontend/package.json

@@ -18,6 +18,7 @@
     "autoprefixer": "^10.4.20",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
+    "js-cookie": "^3.0.5",
     "katex": "^0.16.21",
     "lucide-react": "^0.476.0",
     "monaco-editor": "^0.52.2",
@@ -33,10 +34,13 @@
     "tailwind-merge": "^3.0.2",
     "tailwindcss": "^4.0.9",
     "tailwindcss-animate": "^1.0.7",
-    "vaul": "^1.1.2"
+    "vaul": "^1.1.2",
+    "zod": "^3.24.2",
+    "zustand": "^5.0.3"
   },
   "devDependencies": {
     "@eslint/js": "^9.21.0",
+    "@types/js-cookie": "^3.0.6",
     "@types/node": "^22.13.5",
     "@types/react": "^19.0.10",
     "@types/react-dom": "^19.0.4",