fix: confirm email changes and enforce clean backend build

frontend/package.json

@@ -36,8 +36,8 @@
     "vuetify": "^4.0.6"
   },
   "devDependencies": {
-    "@types/webpack-env": "^1.18.8",
     "@tailwindcss/vite": "^4.2.4",
+    "@types/webpack-env": "^1.18.8",
     "@typescript-eslint/eslint-plugin": "^8.59.2",
     "@typescript-eslint/parser": "^8.59.2",
     "@vitejs/plugin-vue": "^6.0.6",
@@ -45,6 +45,7 @@
     "eslint": "^10.3.0",
     "eslint-plugin-tailwindcss": "^3.18.3",
     "eslint-plugin-vue": "^10.9.1",
+    "openapi-typescript": "^7.13.0",
     "prettier": "^3.8.3",
     "rollup-plugin-visualizer": "^7.0.1",
     "tailwindcss": "^4.2.4",