diff --git a/flake.nix b/flake.nix
index f9c24d9..cfc6764 100644
--- a/flake.nix
+++ b/flake.nix
@@ -49,54 +49,53 @@
     };
   };
 
-  outputs =
-    inputs@{
-      self,
-      nixpkgs,
-      darwin,
-      home-manager,
-      nvf,
-      sops-nix,
-      nix-homebrew,
-      homebrew-core,
-      homebrew-cask,
-      ...
-    }:
-    let
-      system = "aarch64-darwin";
-      username = "poby";
-      useremail = "smg981024@gmail.com";
-      hostname = "fenrir"; # TODO break down to multiple hosts
+  outputs = inputs @ {
+    self,
+    nixpkgs,
+    darwin,
+    home-manager,
+    nvf,
+    sops-nix,
+    nix-homebrew,
+    homebrew-core,
+    homebrew-cask,
+    ...
+  }: let
+    system = "aarch64-darwin";
+    username = "poby";
+    useremail = "smg981024@gmail.com";
+    hostname = "fenrir"; # TODO break down to multiple hosts
 
-      specialArgs = inputs // {
+    specialArgs =
+      inputs
+      // {
         inherit username useremail hostname;
       };
-    in
-    {
-      darwinConfigurations."${hostname}" = darwin.lib.darwinSystem {
-        inherit system specialArgs;
-        modules = [
-          ./modules/nix-core.nix
-          ./modules/system.nix
-          ./modules/apps.nix
-          ./modules/host-users.nix
-          nix-homebrew.darwinModules.nix-homebrew
-          home-manager.darwinModules.home-manager
-          {
-            home-manager = {
-              useGlobalPkgs = true;
-              useUserPackages = true;
-              backupFileExtension = "backup";
-              extraSpecialArgs = specialArgs;
-              sharedModules = [
-                nvf.homeManagerModules.nvf
-                sops-nix.homeManagerModules.sops
-              ];
-              users.${username} = import ./home;
-            };
-          }
-        ];
-      };
-      formatter.${system} = nixpkgs.legacyPackages.${system}.alejandra;
+  in {
+    darwinConfigurations."${hostname}" = darwin.lib.darwinSystem {
+      inherit system specialArgs;
+      modules = [
+        ./modules/nix-core.nix
+        ./modules/system.nix
+        ./modules/apps.nix
+        ./modules/host-users.nix
+        nix-homebrew.darwinModules.nix-homebrew
+        home-manager.darwinModules.home-manager
+        {
+          home-manager = {
+            useGlobalPkgs = true;
+            useUserPackages = true;
+            backupFileExtension = "backup";
+            extraSpecialArgs = specialArgs;
+            sharedModules = [
+              nvf.homeManagerModules.nvf
+              sops-nix.homeManagerModules.sops
+            ];
+            users.${username} = import ./home;
+          };
+        }
+      ];
     };
+    formatter.${system} = nixpkgs.legacyPackages.${system}.alejandra;
+  };
 }
diff --git a/home/aerospace.nix b/home/aerospace.nix
index 6f48864..b5c37f3 100644
--- a/home/aerospace.nix
+++ b/home/aerospace.nix
@@ -6,7 +6,7 @@
       accordion-padding = 10;
       default-root-container-layout = "tiles";
       default-root-container-orientation = "auto";
-      on-focused-monitor-changed = [ "move-mouse monitor-lazy-center" ];
+      on-focused-monitor-changed = ["move-mouse monitor-lazy-center"];
       automatically-unhide-macos-hidden-apps = false;
       # persistent-workspaces = [ "1" "2" "3" "4" "5" "6" "7" "8" "9" ];
 
diff --git a/home/default.nix b/home/default.nix
index 1e869ec..8ae1be7 100755
--- a/home/default.nix
+++ b/home/default.nix
@@ -2,8 +2,7 @@
   pkgs,
   username,
   ...
-}:
-{
+}: {
   imports = [
     ./fd.nix
     ./fzf.nix
diff --git a/home/fd.nix b/home/fd.nix
index dd938e4..79dadf7 100755
--- a/home/fd.nix
+++ b/home/fd.nix
@@ -1,7 +1,7 @@
 {
   programs.fd = {
     enable = true;
-    ignores = [ ".git/" ];
+    ignores = [".git/"];
     hidden = true;
   };
 }
diff --git a/home/mise.nix b/home/mise.nix
index 5faacfa..d5fa8ce 100644
--- a/home/mise.nix
+++ b/home/mise.nix
@@ -6,6 +6,7 @@
       tools = {
         node = "lts";
         uv = "latest";
+        python = "3.13";
       };
       settings = {
         experimental = true;
diff --git a/home/nvf/core/autocmds.nix b/home/nvf/core/autocmds.nix
index 2bdba3c..ff9fdda 100755
--- a/home/nvf/core/autocmds.nix
+++ b/home/nvf/core/autocmds.nix
@@ -1,9 +1,8 @@
-{ lib, ... }:
-[
+{lib, ...}: [
   # autocmds
   {
     enable = true;
-    event = [ "BufReadPost" ];
+    event = ["BufReadPost"];
     desc = "Return to last cursor position";
     group = "LastCursorGroup";
     callback = lib.generators.mkLuaInline ''
@@ -18,10 +17,10 @@
   }
   {
     enable = true;
-    event = [ "TextYankPost" ];
+    event = ["TextYankPost"];
     desc = "Highlight yanks on copy";
     group = "HighlightYank";
-    pattern = [ "*" ];
+    pattern = ["*"];
     callback = lib.generators.mkLuaInline ''
       function()
         vim.hl.on_yank({
diff --git a/home/nvf/core/spellcheck.nix b/home/nvf/core/spellcheck.nix
index ff77048..4966b3c 100755
--- a/home/nvf/core/spellcheck.nix
+++ b/home/nvf/core/spellcheck.nix
@@ -1,5 +1,5 @@
 {
   # spellcheck
   enable = true;
-  languages = [ "en" ];
+  languages = ["en"];
 }
diff --git a/home/nvf/default.nix b/home/nvf/default.nix
index 05bc14b..43292a8 100755
--- a/home/nvf/default.nix
+++ b/home/nvf/default.nix
@@ -2,10 +2,9 @@
   lib,
   pkgs,
   ...
-}:
-let
+}: let
   options = import ./core/options.nix;
-  autocmds = import ./core/autocmds.nix { inherit lib; };
+  autocmds = import ./core/autocmds.nix {inherit lib;};
   augroups = import ./core/augroups.nix;
   keymaps = import ./core/keymaps.nix;
   fzf-lua = import ./plugins/fzf-lua.nix;
@@ -15,11 +14,10 @@ let
   terminal = import ./plugins/terminal.nix;
   theme = import ./appearance/theme.nix;
   lsp = import ./lsp/lsp.nix;
-  treesitter = import ./lsp/treesitter.nix { inherit pkgs; };
+  treesitter = import ./lsp/treesitter.nix {inherit pkgs;};
   autocomplete = import ./lsp/autocomplete.nix;
   languages = import ./lsp/languages;
-in
-{
+in {
   programs.nvf = {
     enable = true;
 
diff --git a/home/nvf/lsp/languages/bash.nix b/home/nvf/lsp/languages/bash.nix
index 8ace9c5..2205f03 100755
--- a/home/nvf/lsp/languages/bash.nix
+++ b/home/nvf/lsp/languages/bash.nix
@@ -3,15 +3,15 @@
   enable = true;
   extraDiagnostics = {
     enable = true;
-    types = [ "shellcheck" ];
+    types = ["shellcheck"];
   };
   format = {
     enable = true;
-    type = [ "shfmt" ];
+    type = ["shfmt"];
   };
   lsp = {
     enable = true;
-    servers = [ "bash-ls" ];
+    servers = ["bash-ls"];
   };
   treesitter.enable = true;
 }
diff --git a/home/nvf/lsp/languages/default.nix b/home/nvf/lsp/languages/default.nix
index cb73cc3..b67cb8b 100755
--- a/home/nvf/lsp/languages/default.nix
+++ b/home/nvf/lsp/languages/default.nix
@@ -6,8 +6,7 @@ let
   markdown = import ./markdown.nix;
   html = import ./html.nix;
   yaml = import ./yaml.nix;
-in
-{
+in {
   inherit
     nix
     python
diff --git a/home/nvf/lsp/languages/html.nix b/home/nvf/lsp/languages/html.nix
index 7f31f2c..c0d3a7b 100755
--- a/home/nvf/lsp/languages/html.nix
+++ b/home/nvf/lsp/languages/html.nix
@@ -3,7 +3,7 @@
   enable = true;
   extraDiagnostics = {
     enable = true;
-    types = [ "htmlhint" ];
+    types = ["htmlhint"];
   };
   format = {
     enable = true;
@@ -14,7 +14,7 @@
   };
   lsp = {
     enable = true;
-    servers = [ "superhtml" ];
+    servers = ["superhtml"];
   };
   treesitter = {
     enable = true;
diff --git a/home/nvf/lsp/languages/lua.nix b/home/nvf/lsp/languages/lua.nix
index 1947b1b..57c7de0 100755
--- a/home/nvf/lsp/languages/lua.nix
+++ b/home/nvf/lsp/languages/lua.nix
@@ -3,15 +3,15 @@
   enable = true;
   extraDiagnostics = {
     enable = true;
-    types = [ "luacheck" ];
+    types = ["luacheck"];
   };
   format = {
     enable = true;
-    type = [ "stylua" ];
+    type = ["stylua"];
   };
   lsp = {
     enable = true;
-    servers = [ "lua-language-server" ];
+    servers = ["lua-language-server"];
   };
   treesitter.enable = true;
 }
diff --git a/home/nvf/lsp/languages/markdown.nix b/home/nvf/lsp/languages/markdown.nix
index ca1ee03..958bfff 100755
--- a/home/nvf/lsp/languages/markdown.nix
+++ b/home/nvf/lsp/languages/markdown.nix
@@ -13,7 +13,7 @@
   };
   extraDiagnostics = {
     enable = true;
-    types = [ "markdownlint-cli2" ];
+    types = ["markdownlint-cli2"];
   };
   format = {
     enable = true;
@@ -24,7 +24,7 @@
   };
   lsp = {
     enable = true;
-    servers = [ "marksman" ];
+    servers = ["marksman"];
   };
   treesitter.enable = true;
 }
diff --git a/home/nvf/lsp/languages/nix.nix b/home/nvf/lsp/languages/nix.nix
index c9ea615..e03681a 100755
--- a/home/nvf/lsp/languages/nix.nix
+++ b/home/nvf/lsp/languages/nix.nix
@@ -10,11 +10,11 @@
   };
   format = {
     enable = true;
-    type = [ "alejandra" ];
+    type = ["alejandra"];
   };
   lsp = {
     enable = true;
-    servers = [ "nil" ];
+    servers = ["nil"];
   };
   treesitter.enable = true;
 }
diff --git a/home/nvf/lsp/languages/python.nix b/home/nvf/lsp/languages/python.nix
index 840716b..13bcf1b 100755
--- a/home/nvf/lsp/languages/python.nix
+++ b/home/nvf/lsp/languages/python.nix
@@ -3,11 +3,11 @@
   enable = true;
   format = {
     enable = true;
-    type = [ "ruff" ];
+    type = ["ruff"];
   };
   lsp = {
     enable = true;
-    servers = [ "pyright" ];
+    servers = ["pyright"];
   };
   treesitter.enable = true;
 }
diff --git a/home/nvf/lsp/languages/yaml.nix b/home/nvf/lsp/languages/yaml.nix
index 35f914e..43fb599 100755
--- a/home/nvf/lsp/languages/yaml.nix
+++ b/home/nvf/lsp/languages/yaml.nix
@@ -3,7 +3,7 @@
   enable = true;
   lsp = {
     enable = true;
-    servers = [ "yaml-language-server" ];
+    servers = ["yaml-language-server"];
   };
   treesitter.enable = true;
 }
diff --git a/home/nvf/lsp/treesitter.nix b/home/nvf/lsp/treesitter.nix
index c831cf8..da824a3 100755
--- a/home/nvf/lsp/treesitter.nix
+++ b/home/nvf/lsp/treesitter.nix
@@ -1,5 +1,4 @@
-{ pkgs, ... }:
-{
+{pkgs, ...}: {
   # treesitter
   enable = true;
   addDefaultGrammars = true;
diff --git a/home/nvf/plugins/fzf-lua.nix b/home/nvf/plugins/fzf-lua.nix
index d6ff206..f463c4a 100755
--- a/home/nvf/plugins/fzf-lua.nix
+++ b/home/nvf/plugins/fzf-lua.nix
@@ -2,5 +2,5 @@
   # fzf-lua
   enable = true;
   profile = "default";
-  setupOpts = { };
+  setupOpts = {};
 }
diff --git a/home/sops.nix b/home/sops.nix
index d8a932b..c8b52cf 100644
--- a/home/sops.nix
+++ b/home/sops.nix
@@ -1,13 +1,12 @@
-{ config, ... }:
-{
+{config, ...}: {
   sops = {
     age.keyFile = "${config.home.homeDirectory}/.config/sops/age/keys.txt";
 
     defaultSopsFile = ../secrets/poby.yaml;
 
     secrets = {
-      "github_ssh_key" = { };
-      "github_cli_token" = { };
+      "github_ssh_key" = {};
+      "github_cli_token" = {};
     };
   };
 }
diff --git a/home/ssh.nix b/home/ssh.nix
index 142acae..378be6e 100644
--- a/home/ssh.nix
+++ b/home/ssh.nix
@@ -1,15 +1,14 @@
-{ config, ... }:
-{
+{config, ...}: {
   programs.ssh = {
     enable = true;
     enableDefaultConfig = false;
     matchBlocks = {
-      "*" = { };
+      "*" = {};
       "github.com" = {
         host = "github.com";
         user = "git";
         identitiesOnly = true;
-        identityFile = [ config.sops.secrets."github_ssh_key".path ];
+        identityFile = [config.sops.secrets."github_ssh_key".path];
       };
     };
   };
diff --git a/home/starship.nix b/home/starship.nix
index 9af15a1..2d50ffc 100755
--- a/home/starship.nix
+++ b/home/starship.nix
@@ -1,5 +1,4 @@
-{ lib, ... }:
-{
+{lib, ...}: {
   programs.starship = {
     enable = true;
     enableZshIntegration = true;
@@ -163,8 +162,8 @@
           "package-lock.json"
           "yarn.lock"
         ];
-        detect_folders = [ "node_modules" ];
-        detect_extensions = [ ];
+        detect_folders = ["node_modules"];
+        detect_extensions = [];
       };
 
       python = {
diff --git a/home/zoxide.nix b/home/zoxide.nix
index 2e51d3c..ac54e8f 100755
--- a/home/zoxide.nix
+++ b/home/zoxide.nix
@@ -3,6 +3,6 @@
     enable = true;
     enableZshIntegration = true;
     enableBashIntegration = true;
-    options = [ "--cmd j" ];
+    options = ["--cmd j"];
   };
 }
diff --git a/home/zsh.nix b/home/zsh.nix
index 7c0916f..2a5dc0a 100755
--- a/home/zsh.nix
+++ b/home/zsh.nix
@@ -1,5 +1,4 @@
-{ config, ... }:
-{
+{config, ...}: {
   programs.zsh = {
     enable = true;
 
@@ -21,7 +20,7 @@
     shellAliases = {
       poby = "echo my name is poby";
       nixconfig = "cd ~/nix-darwin && vim flake.nix";
-      just-darwin = "cd ~/nix-darwin && just darwin";
+      just-darwin = "cd ~/nix-darwin && just darwin $(hostname)";
     };
 
     sessionVariables = {
diff --git a/modules/apps.nix b/modules/apps.nix
index 60af7b0..29553b0 100644
--- a/modules/apps.nix
+++ b/modules/apps.nix
@@ -5,8 +5,7 @@
   homebrew-core,
   homebrew-cask,
   ...
-}:
-{
+}: {
   nixpkgs.config.allowUnfree = true;
 
   environment.systemPackages = with pkgs; [
diff --git a/modules/host-users.nix b/modules/host-users.nix
index 5192d36..9df535e 100644
--- a/modules/host-users.nix
+++ b/modules/host-users.nix
@@ -2,8 +2,7 @@
   username,
   hostname,
   ...
-}:
-{
+}: {
   networking = {
     hostName = hostname;
     computerName = hostname;
@@ -15,5 +14,5 @@
     description = username;
   };
 
-  nix.settings.trusted-users = [ username ];
+  nix.settings.trusted-users = [username];
 }
diff --git a/modules/nix-core.nix b/modules/nix-core.nix
index c4da2d3..cee556b 100644
--- a/modules/nix-core.nix
+++ b/modules/nix-core.nix
@@ -2,8 +2,7 @@
   pkgs,
   lib,
   ...
-}:
-{
+}: {
   nix = {
     enable = true;
     package = pkgs.nix;
@@ -13,7 +12,7 @@
         "nix-command"
         "flakes"
       ];
-      substituters = [ "https://nix-community.cachix.org" ];
+      substituters = ["https://nix-community.cachix.org"];
       trusted-public-keys = [
         "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
       ];
diff --git a/modules/system.nix b/modules/system.nix
index 267234a..3936253 100644
--- a/modules/system.nix
+++ b/modules/system.nix
@@ -4,8 +4,7 @@
   username,
   hostname,
   ...
-}:
-{
+}: {
   time.timeZone = "Asia/Seoul";
 
   system = {
@@ -19,14 +18,13 @@
       sudo -u ${username} /System/Library/PrivateFrameworks/SystemAdministration.framework/Resources/activateSettings -u
     '';
 
-    activationScripts.applications.text =
-      let
-        env = pkgs.buildEnv {
-          name = "system-applications";
-          paths = config.environment.systemPackages;
-          pathsToLink = [ "/Applications" ];
-        };
-      in
+    activationScripts.applications.text = let
+      env = pkgs.buildEnv {
+        name = "system-applications";
+        paths = config.environment.systemPackages;
+        pathsToLink = ["/Applications"];
+      };
+    in
       pkgs.lib.mkForce ''
         # Set up applications.
         echo "setting up /Applications..." >&2