{...}: {
  programs.zsh = {
    enable = true;
    enableCompletion = true;
    autocd = true;
    autosuggestion.enable = true;
    defaultKeymap = "emacs";
    syntaxHighlighting = {
      enable = true;
      highlighters = ["brackets" "cursor"];
    };
    historySubstringSearch.enable = true;
    history = {
      extended = true;
      share = true;
      ignoreDups = true;
      ignoreAllDups = true;
      ignoreSpace = true;
      expireDuplicatesFirst = true;
    };
    initExtra = ''
      ## completion config and styling
      zstyle ':completion:*' matcher-list 'm:{a-z}={A-Za-z}'
      zstyle ':completion:*' menu 'select=long-list'

      ## transient prompt
      source ${./transient.zsh}
    '';
  };
}