fix(deps): resolve npm audit vulns — form-data 4.0.6 (high CRLF), Vite 5→8 + plugin-react 6 (esbuild dev-server moderate); bump frontend build image to node:22-alpine; mirror to export snapshot

milevault_export/frontend/package.json

@@ -13,18 +13,16 @@
     "react-dom": "^18.3.1",
     "react-router-dom": "^6.23.1",
     "leaflet": "^1.9.4",
-    "react-leaflet": "^4.2.1",
     "recharts": "^2.12.7",
     "date-fns": "^3.6.0",
-    "clsx": "^2.1.1",
     "zustand": "^4.5.2",
     "@tanstack/react-query": "^5.40.0",
     "axios": "^1.7.2",
     "react-dropzone": "^14.2.3"
   },
   "devDependencies": {
-    "@vitejs/plugin-react": "^4.3.1",
-    "vite": "^5.2.13",
+    "@vitejs/plugin-react": "^6.0.3",
+    "vite": "^8.1.0",
     "autoprefixer": "^10.4.19",
     "postcss": "^8.4.38",
     "tailwindcss": "^3.4.4"