diff --git a/flake.lock b/flake.lock
index 6e4b09b..03d67b5 100644
--- a/flake.lock
+++ b/flake.lock
@@ -19,16 +19,16 @@
     "brew-src": {
       "flake": false,
       "locked": {
-        "lastModified": 1740943974,
-        "narHash": "sha256-2lRLfb6qwoUAsX/XtYmt/ETxtGid6/VaBeFiRsoVMtU=",
+        "lastModified": 1731323744,
+        "narHash": "sha256-SxUQm4cTHcaoPQHoXe26ZV8cZiMWBGow8MjE4L+MckM=",
         "owner": "Homebrew",
         "repo": "brew",
-        "rev": "64efed206deeb9c2304d9e5b5910dcbf0a509c15",
+        "rev": "254bf3fe9d8fa2e1b2fb55dbcf535b2d870180c4",
         "type": "github"
       },
       "original": {
         "owner": "Homebrew",
-        "ref": "4.4.23",
+        "ref": "4.4.5",
         "repo": "brew",
         "type": "github"
       }
@@ -73,11 +73,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1741126078,
-        "narHash": "sha256-ng0a4cIq3c9E3iGKomlwqKzVYs2RLOzQho2U1Mc2sqU=",
+        "lastModified": 1736820923,
+        "narHash": "sha256-SDuKLOWAh8VJRXlNWQn9QE99bjeEUAAbYXqrKGbsiyk=",
         "owner": "lnl7",
         "repo": "nix-darwin",
-        "rev": "c172f50b55b087f8e7801631de977461603bb976",
+        "rev": "944c2b181792ae7ae6b20c0df3f44879c11706c9",
         "type": "github"
       },
       "original": {
@@ -94,11 +94,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1741786315,
-        "narHash": "sha256-VT65AE2syHVj6v/DGB496bqBnu1PXrrzwlw07/Zpllc=",
+        "lastModified": 1736711425,
+        "narHash": "sha256-8hKhPQuMtXfJi+4lPvw3FBk/zSJVHeb726Zo0uF1PP8=",
         "owner": "nix-community",
         "repo": "disko",
-        "rev": "0d8c6ad4a43906d14abd5c60e0ffe7b587b213de",
+        "rev": "f720e64ec37fa16ebba6354eadf310f81555cc07",
         "type": "github"
       },
       "original": {
@@ -366,11 +366,11 @@
     "homebrew-bundle": {
       "flake": false,
       "locked": {
-        "lastModified": 1742346374,
-        "narHash": "sha256-DU6SixntQDZ4a29NZLTwvOaA4m2t+65fASwvQHF7jks=",
+        "lastModified": 1736995067,
+        "narHash": "sha256-gsgVUMf+Hfo4HquzrTpxFAHtMJV0WUvy43fVCmgYD+o=",
         "owner": "homebrew",
         "repo": "homebrew-bundle",
-        "rev": "05ef3436f1e9c9355ed78f538d27cb0dfb7051fc",
+        "rev": "a537c1c541f13830e197e4c55161dfe935a1f072",
         "type": "github"
       },
       "original": {
@@ -382,11 +382,11 @@
     "homebrew-cask": {
       "flake": false,
       "locked": {
-        "lastModified": 1742448858,
-        "narHash": "sha256-jArXTHaZl6eER0QuNjVNee3kftnPwLprpYcOk1RU9dY=",
+        "lastModified": 1737013725,
+        "narHash": "sha256-GI6FRisho2K8SZIZQxO9hIb+GoI77OvBp79J0glMdkY=",
         "owner": "homebrew",
         "repo": "homebrew-cask",
-        "rev": "3f2080f9531bba0a6f1d4c8de0ae6b2964a2aa42",
+        "rev": "45dbf1f69834e11c03b0396696604380c6b2fd05",
         "type": "github"
       },
       "original": {
@@ -398,11 +398,11 @@
     "homebrew-core": {
       "flake": false,
       "locked": {
-        "lastModified": 1742451229,
-        "narHash": "sha256-wtyM20aMVKXyooc4Wulivr35tUFmNXjxz3YWv3F3E6E=",
+        "lastModified": 1737009843,
+        "narHash": "sha256-Ft3OZGBbONgAi6abhuDgATm7DXeS7I1u8I6Z6cZvY10=",
         "owner": "homebrew",
         "repo": "homebrew-core",
-        "rev": "2ad483ba44590da050eb681eb052e63d042b7340",
+        "rev": "790e310427ca023a4d94f3cef3e6fea1012f394d",
         "type": "github"
       },
       "original": {
@@ -657,11 +657,11 @@
         "nixpkgs": "nixpkgs_3"
       },
       "locked": {
-        "lastModified": 1741032878,
-        "narHash": "sha256-s9YOBz8vAxPlI4wORma3D7km8wZOEe/7Hg/u3brmwUQ=",
+        "lastModified": 1736041957,
+        "narHash": "sha256-Kk/cVtkxwfHNoB6nINUarMLTtyAEvH+ohzxKBptMzzg=",
         "owner": "zhaofengli-wip",
         "repo": "nix-homebrew",
-        "rev": "a82c55b07f670a01da5a72b7a07fe41c256a4380",
+        "rev": "a6d99cc7436fc18c097b3536d9c45c0548c694c8",
         "type": "github"
       },
       "original": {
@@ -2658,11 +2658,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1742406979,
-        "narHash": "sha256-r0aq70/3bmfjTP+JZs4+XV5SgmCtk1BLU4CQPWGtA7o=",
+        "lastModified": 1736808430,
+        "narHash": "sha256-wlgdf/n7bJMLBheqt1jmPoxJFrUP6FByKQFXuM9YvIk=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "1770be8ad89e41f1ed5a60ce628dd10877cb3609",
+        "rev": "553c7cb22fed19fd60eb310423fdc93045c51ba8",
         "type": "github"
       },
       "original": {
diff --git a/homes/x86_64-linux/harald@x1/default.nix b/homes/x86_64-linux/harald@x1/default.nix
index 237c42d..ca75ab9 100644
--- a/homes/x86_64-linux/harald@x1/default.nix
+++ b/homes/x86_64-linux/harald@x1/default.nix
@@ -18,7 +18,6 @@
     tools = {
       git.enable = true;
     };
-    gui.kbd.ellipsis.enable = true;
   };
 
   fonts.fontconfig.enable = true;
@@ -65,6 +64,16 @@
   };
 
   dconf.settings."org/gnome/desktop/input-sources".xkb-options = [ "mod:ellipsis" ];
+  xdg.configFile."xkb/symbols/mod".text = ''
+    xkb_symbols "ellipsis" {
+      key <AB09> { [ period, greater, ellipsis, division ] };
+    };
+  '';
+  xdg.configFile."xkb/rules/evdev".text = ''
+    ! option = symbols
+      mod:ellipsis    = +mod(ellipsis)
+    ! include %S/evdev
+  '';
 
   xdg.enable = true;
   xdg.mime.enable = true;
diff --git a/modules/home/gui/kbd/default.nix b/modules/home/gui/kbd/default.nix
deleted file mode 100644
index b404878..0000000
--- a/modules/home/gui/kbd/default.nix
+++ /dev/null
@@ -1,25 +0,0 @@
-{ config, lib, ... }:
-
-with lib;
-let
-  cfg = config.metacfg.gui.kbd;
-in
-{
-  options.metacfg.gui.kbd = {
-    ellipsis = mkEnableOption "ellipsis keybinding for period key";
-  };
-
-  config = mkIf cfg.ellipsis {
-    xdg.configFile."xkb/symbols/mod".text = ''
-      xkb_symbols "ellipsis" {
-        key <AB09> { [ period, greater, ellipsis, division ] };
-      };
-    '';
-    
-    xdg.configFile."xkb/rules/evdev".text = ''
-      ! option = symbols
-        mod:ellipsis    = +mod(ellipsis)
-      ! include %S/evdev
-    '';
-  };
-}
\ No newline at end of file
diff --git a/modules/home/host/default.nix b/modules/home/host/default.nix
new file mode 100644
index 0000000..1fa62a6
--- /dev/null
+++ b/modules/home/host/default.nix
@@ -0,0 +1,18 @@
+{
+  lib,
+  config,
+  pkgs,
+  host ? null,
+  format ? "unknown",
+  ...
+}:
+
+let
+  inherit (lib) types;
+  inherit (lib.metacfg) mkOpt;
+in
+{
+  options.metacfg.host = {
+    name = mkOpt (types.nullOr types.str) host "The host name.";
+  };
+}
diff --git a/systems/aarch64-darwin/m4/default.nix b/systems/aarch64-darwin/m4/default.nix
index dbf1e87..0c60d07 100644
--- a/systems/aarch64-darwin/m4/default.nix
+++ b/systems/aarch64-darwin/m4/default.nix
@@ -42,8 +42,6 @@ with lib.metacfg;
     dnsmasq
     virt-manager
     qemu
-    claude-code
-    nodejs
   ];
 
   users.users.harald.shell = pkgs.fish;
diff --git a/systems/aarch64-linux/m4nix/default.nix b/systems/aarch64-linux/m4nix/default.nix
index 9f95ee7..12d5f93 100644
--- a/systems/aarch64-linux/m4nix/default.nix
+++ b/systems/aarch64-linux/m4nix/default.nix
@@ -18,6 +18,7 @@ with lib.metacfg;
     secureboot.enable = false;
     tools = {
       direnv.enable = true;
+      #git.enable = true;
     };
     user.extraGroups = [
       "docker"
diff --git a/systems/x86_64-linux/x1/default.nix b/systems/x86_64-linux/x1/default.nix
index 4f0641f..ce93000 100644
--- a/systems/x86_64-linux/x1/default.nix
+++ b/systems/x86_64-linux/x1/default.nix
@@ -23,6 +23,7 @@ with lib.metacfg;
     homeprinter.enable = true;
     tools = {
       direnv.enable = true;
+      #git.enable = true;
     };
     user.extraGroups = [
       "docker"