{
  config,
  inputs,
  lib,
  pkgs,
  ...
}:
let
  packages = builtins.attrValues {
    inherit (pkgs) julia; # High-performance dynamic language for technical computing
  };
in
{
  options = {
    my.dev.julia = {
      enable = lib.mkEnableOption "Install Julia globally";
      users = lib.mkOption {
        type = lib.types.either lib.types.str (lib.types.listOf lib.types.str);
        default = config.my.toggleUsers.dev;
        merge = inputs.self.lib.mergeUsersOption lib;
        description = "Users to install Julia packages for";
      };
    };
    devShells.julia = lib.mkOption {
      type = lib.types.package;
      default = pkgs.mkShell {
        inherit packages;
        name = "julia-dev-shell";
        shellHook = ''
          echo "🔬 Julia dev environment"
        '';
      };
      description = "Julia development shell";
    };
  };
  config = lib.mkIf config.my.dev.julia.enable {
    users.users = inputs.self.lib.mkUserAttrs lib config.my.dev.julia.users { inherit packages; };
  };
}