Export shared ZFS nix-store module

nixos/baseline.nix

@@ -1,8 +1,5 @@
 { config, lib, modulesPath, pkgs, ... }:
 
-let
-  nixPool = "nixos-zfs-nix";
-in
 {
   imports = [
     "${modulesPath}/virtualisation/amazon-image.nix"
@@ -22,28 +19,9 @@ in
   services.amazon-ssm-agent.enable = true;
   services.openssh.enable = lib.mkForce false;
 
-  boot.supportedFilesystems = [ "zfs" ];
-  boot.zfs.extraPools = [ nixPool ];
-  boot.zfs.forceImportRoot = false;
-
-  fileSystems."/nix" = {
-    device = "${nixPool}/nix";
-    fsType = "zfs";
-    neededForBoot = true;
-    options = [
-      "nofail"
-      "x-systemd.device-timeout=30s"
-    ];
-  };
-
-  systemd.sockets.nix-daemon = {
-    after = [ "nix.mount" ];
-    requires = [ "nix.mount" ];
-  };
-
-  systemd.services.nix-daemon = {
-    after = [ "nix.mount" ];
-    requires = [ "nix.mount" ];
+  quixos.modules.zfsNixStore = {
+    enable = true;
+    pool = "nixos-zfs-nix";
   };
 
   system.stateVersion = "25.05";