fase(1): shared domain building blocks

frontend/package-lock.json

@@ -13,7 +13,8 @@
         "react-dom": "^19.2.0",
         "react-router-dom": "^7.13.1",
         "socket.io-client": "^4.8.3",
-        "tailwindcss": "^4.2.1"
+        "tailwindcss": "^4.2.1",
+        "uuid": "^13.0.0"
       },
       "devDependencies": {
         "@eslint/js": "^9.39.1",
@@ -22,6 +23,7 @@
         "@types/node": "^24.10.1",
         "@types/react": "^19.2.7",
         "@types/react-dom": "^19.2.3",
+        "@types/uuid": "^10.0.0",
         "@vitejs/plugin-react": "^5.1.1",
         "@vitest/browser": "^4.0.18",
         "concurrently": "^9.2.1",
@@ -2063,6 +2065,13 @@
         "@types/react": "^19.2.0"
       }
     },
+    "node_modules/@types/uuid": {
+      "version": "10.0.0",
+      "resolved": "https://registry.npmjs.org/@types/uuid/-/uuid-10.0.0.tgz",
+      "integrity": "sha512-7gqG38EyHgyP1S+7+xomFtL+ZNHcKv6DwNaCZmJmo1vgMugyF3TCnXVg4t1uk89mLNwnLtnY3TpOpCOyp1/xHQ==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/@typescript-eslint/eslint-plugin": {
       "version": "8.56.1",
       "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-8.56.1.tgz",
@@ -5011,6 +5020,19 @@
         "punycode": "^2.1.0"
       }
     },
+    "node_modules/uuid": {
+      "version": "13.0.0",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-13.0.0.tgz",
+      "integrity": "sha512-XQegIaBTVUjSHliKqcnFqYypAd4S+WCYt5NIeRs6w/UAry7z8Y9j5ZwRRL4kzq9U3sD6v+85er9FvkEaBpji2w==",
+      "funding": [
+        "https://github.com/sponsors/broofa",
+        "https://github.com/sponsors/ctavan"
+      ],
+      "license": "MIT",
+      "bin": {
+        "uuid": "dist-node/bin/uuid"
+      }
+    },
     "node_modules/vite": {
       "version": "7.3.1",
       "resolved": "https://registry.npmjs.org/vite/-/vite-7.3.1.tgz",