{ config, lib, ... }:

let
  cfg = config.dot.pi;
  piPath = "${config.dot.dotfilesPath}/modules/pi/agent";
in
{
  options.dot.pi = {
    enable = lib.mkEnableOption "managed pi coding agent configuration" // {
      default = true;
    };
  };

  config = lib.mkIf cfg.enable {
    # Out-of-store symlinks so the files stay editable without a nix rebuild.
    # Only the managed files are linked; pi's runtime files (auth.json,
    # sessions/, models-store.json) are left untouched in ~/.pi/agent.
    home.file = {
      ".pi/agent/settings.json".source =
        config.lib.file.mkOutOfStoreSymlink "${piPath}/settings.json";
      ".pi/agent/extensions".source =
        config.lib.file.mkOutOfStoreSymlink "${piPath}/extensions";
    };
  };
}