{ pkgs, lib, ... }: { users.mutableUsers = false; users.users.claude = { isNormalUser = true; extraGroups = [ "wheel" ]; shell = pkgs.fish; hashedPassword = ""; }; users.users.root.hashedPassword = ""; security.sudo.wheelNeedsPassword = false; programs.fish.enable = true; services.openssh = { enable = true; settings = { PermitRootLogin = "yes"; PermitEmptyPasswords = "yes"; }; }; networking.firewall.allowedTCPPorts = [ 22 ]; nix.settings.trusted-users = [ "root" "claude" ]; }