phase-3/frontend/next.config.js

/** @type {import('next').NextConfig} */
const nextConfig = {
  reactStrictMode: true,
  swcMinify: true,

  env: {
    NEXT_PUBLIC_API_URL: process.env.NEXT_PUBLIC_API_URL || 'http://localhost:8000',
  },

  // Enable experimental features for better performance
  experimental: {
    optimizePackageImports: ['lucide-react', '@radix-ui/react-icons'],
  },

  // Image optimization
  images: {
    remotePatterns: [
      {
        protocol: 'https',
        hostname: 'res.cloudinary.com',
      },
    ],
  },

  // Webpack configuration
  webpack: (config) => {
    config.externals = [...(config.externals || []), { canvas: 'canvas' }];

    // Handle Windows case sensitivity issues
    config.resolve.symlinks = false;
    config.snapshot = {
      ...config.snapshot,
      managedPaths: [/^(.+?[\\/]node_modules[\\/])/],
    };

    return config;
  },

  // Headers for security
  async headers() {
    return [
      {
        source: '/:path*',
        headers: [
          {
            key: 'X-DNS-Prefetch-Control',
            value: 'on'
          },
          {
            key: 'X-Frame-Options',
            value: 'SAMEORIGIN'
          },
          {
            key: 'X-Content-Type-Options',
            value: 'nosniff'
          },
          {
            key: 'Referrer-Policy',
            value: 'origin-when-cross-origin'
          },
          {
            key: 'Content-Security-Policy',
            value: "default-src 'self' 'unsafe-inline' 'unsafe-eval' https://*.vercel.app https://*.hf.space https://huggingface.co https://*.googleapis.com; img-src 'self' data: https: https://*.cloudinary.com; connect-src 'self' https://*.hf.space https://*.vercel.app https://huggingface.co;"
          },
          {
            key: 'Strict-Transport-Security',
            value: 'max-age=31536000; includeSubDomains'
          },
          {
            key: 'X-XSS-Protection',
            value: '1; mode=block'
          },
        ],
      },
    ];
  },
};

module.exports = nextConfig;