vercel.json

{
  "$schema": "https://openapi.vercel.sh/vercel.json",
  "buildCommand": "cd frontend && npm ci && npm run build",
  "outputDirectory": "frontend/dist",
  "installCommand": "echo 'install handled in buildCommand'",
  "framework": null,
  "rewrites": [
    { "source": "/((?!api/|assets/|favicon\\.ico).*)", "destination": "/index.html" }
  ],
  "headers": [
    {
      "source": "/assets/(.*)",
      "headers": [{ "key": "Cache-Control", "value": "public, max-age=31536000, immutable" }]
    }
  ]
}