feat(frontend): Add vitest and test for form diff

legalconsenthub/package.json

@@ -12,7 +12,8 @@
     "type-check": "nuxi typecheck",
     "lint": "eslint .",
     "lint:fix": "eslint . --fix",
-    "check": "pnpm run lint && pnpm run type-check && pnpm run format",
+    "test": "vitest run",
+    "check": "pnpm run lint && pnpm run type-check && pnpm run format && pnpm run test",
     "api:generate": "openapi-generator-cli generate -i ../api/legalconsenthub.yml -g typescript-fetch -o .api-client"
   },
   "dependencies": {
@@ -33,10 +34,14 @@
   },
   "devDependencies": {
     "@nuxt/eslint": "1.1.0",
+    "@nuxt/test-utils": "^3.21.0",
     "@openapitools/openapi-generator-cli": "2.16.3",
+    "@vue/test-utils": "^2.4.6",
     "eslint": "9.20.1",
+    "happy-dom": "^20.0.11",
     "prettier": "3.5.1",
     "typescript": "5.7.3",
+    "vitest": "^4.0.16",
     "vue-tsc": "2.2.2"
   },
   "volta": {