{
  description = "Odin GA with plotting";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    flake-utils.url = "github:numtide/flake-utils";
  };

  outputs =
    {
      self,
      nixpkgs,
      flake-utils,
    }:
    flake-utils.lib.eachDefaultSystem (
      system:
      let
        pkgs = nixpkgs.legacyPackages.${system};
      in
      {
        devShells.default = pkgs.mkShell {
          buildInputs = with pkgs; [
            odin
            ols
            uiua-unstable
          ];
        };

        packages.default = pkgs.writeShellScriptBin "run-ga" ''
          set -e
          mkdir -p output

          echo "Building Odin GA..."
          odin build src -out:ga -o:speed

          echo "Running GA..."
          ./ga

          echo "Generating plot..."
          ${pkgs.uiua-unstable}/bin/uiua src/plot.ua

          echo "Done! Plot saved to output/plot.png"

          rm ga
        '';

        apps.default = {
          type = "app";
          program = "${self.packages.${system}.default}/bin/run-ga";
        };
      }
    );
}