server {
    listen 80;

    server_name _;

    root /usr/share/nginx/html;

    index index.html;

    location / {
        # SPA fallback: serve index.html for non-file routes so Vue Router can render NotFound
        try_files $uri $uri/ /index.html;
    }

    location ~* \.msi$ {
        default_type application/octet-stream;
        add_header Content-Disposition 'attachment';
        add_header X-Content-Type-Options nosniff;
        try_files $uri =404;
    }

    # Let real 404s for assets return 404s; Vue handles route-level 404 via the SPA fallback above.

    location /static/ {
        # Serve static files directly
        expires max;
        access_log off;
    }
}