diff --git a/.editorconfig b/.editorconfig
index 91626bc..e84b7cb 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -1,13 +1,13 @@
 root = true
 
 [*]
-indent_style = space
 indent_size = 2
-max_line_length = 100
-end_of_line = lf
 charset = utf-8
-trim_trailing_whitespace = true
+end_of_line = lf
+indent_style = space
+max_line_length = 100
 insert_final_newline = false
+trim_trailing_whitespace = true
 
 [*.{md}]
 trim_trailing_whitespace = false
diff --git a/darwin.nix b/darwin.nix
index 5d01be6..8338871 100644
--- a/darwin.nix
+++ b/darwin.nix
@@ -17,6 +17,7 @@ nix-darwin.lib.darwinSystem rec {
   inherit system;
   modules = [
     ./modules/1password.nix
+    ./modules/openssh.nix
     ./modules/darwin.nix
     ./modules/fonts.nix
     ./modules/nix.nix
@@ -25,6 +26,10 @@ nix-darwin.lib.darwinSystem rec {
     #
     home-manager.darwinModules.home-manager
     {
+      users.users.o = {
+        name = "o";
+        home = "/Users/o";
+      };
       home-manager = {
         useGlobalPkgs = true;
         useUserPackages = true;
@@ -32,8 +37,6 @@ nix-darwin.lib.darwinSystem rec {
           name = "o";
           home = "/Users/o";
           imports = [
-            # TODO: check do I need this
-            { home.stateVersion = "23.11"; }
             ./home-modules/tmux
             ./home-modules/kitty
             ./home-modules/helix
@@ -44,6 +47,7 @@ nix-darwin.lib.darwinSystem rec {
             ./home-modules/home.nix
             ./home-modules/fonts.nix
             ./home-modules/direnv.nix
+            ./home-modules/darwin.nix
             ./home-modules/shells/bash
             ./home-modules/shells/fish
             ./home-modules/lazygit.nix
diff --git a/flake.nix b/flake.nix
index 2d92539..e636152 100644
--- a/flake.nix
+++ b/flake.nix
@@ -111,8 +111,8 @@
               system
               nixpkgs
               ghostty
-              overlays
               zjstatus
+              overlays
               catppuccin
               nix-darwin
               home-manager
diff --git a/home-modules/darwin.nix b/home-modules/darwin.nix
new file mode 100644
index 0000000..8f37886
--- /dev/null
+++ b/home-modules/darwin.nix
@@ -0,0 +1,33 @@
+{
+  lib,
+  pkgs,
+  config,
+  inputs,
+  ...
+}:
+{
+  home = {
+    stateVersion = "22.05";
+
+    packages = with pkgs; [
+      jq
+      fd
+      gh
+      fzf
+      git
+      tree
+      btop
+      ripgrep
+    ];
+
+    # Hide "last login" message on new terminal.
+    file.".hushlogin".text = "";
+
+    # programs.ssh doesn't work well for darwin.
+    file.".ssh/config".text = ''
+      Host *
+        AddKeysToAgent yes
+      Include ~/.orbstack/ssh/config
+    '';
+  };
+}
diff --git a/home-modules/ghostty/default.nix b/home-modules/ghostty/default.nix
index 6395655..f23133e 100644
--- a/home-modules/ghostty/default.nix
+++ b/home-modules/ghostty/default.nix
@@ -5,18 +5,32 @@ in
 {
   home.file."${ghosttyPath}/config".text = ''
     title = " "
+    macos-titlebar-proxy-icon = hidden
+
+    auto-update = download
+
     font-size = "18"
-    theme = tokyonight
-    window-padding-x = 16
+    font-family = "BlexMono Nerd Font Mono"
+
+
+    foreground = ffffff
+    theme = "tokyonight"
+
+    window-padding-x = 12
     window-padding-y = 16
+
     keybind = super+t=ignore
+
+    keybind = cmd+t=new_tab
+    keybind = cmd+k=clear_screen
+
     shell-integration = fish
-    font-family = "BlexMono Nerd Font Mono"
-    keybind = ctrl+z=close_surface
-    mouse-hide-while-typing = true
+    macos-option-as-alt = true
     shell-integration-features = sudo,no-title
+
+    keybind = ctrl+z=close_surface
     mouse-hide-while-typing = false
+    macos-non-native-fullscreen = true
     keybind = ctrl+super+f=toggle_fullscreen
-    term = xterm-ghostty
   '';
 }
diff --git a/home-modules/shells/fish/functions/mkcd.fish b/home-modules/shells/fish/functions/mkcd.fish
index 0277dd6..d60d484 100644
--- a/home-modules/shells/fish/functions/mkcd.fish
+++ b/home-modules/shells/fish/functions/mkcd.fish
@@ -1,11 +1,11 @@
 function mkdir -d "Create a directory and set CWD"
-  command mkdir $argv
-  if test $status = 0
-    switch $argv[(count $argv)]
-      case '-*'
-      case '*'
-        cd $argv[(count $argv)]
-        return
+    command mkdir $argv
+    if test $status = 0
+        switch $argv[(count $argv)]
+            case '-*'
+            case '*'
+                cd $argv[(count $argv)]
+                return
+        end
     end
-  end
 end
diff --git a/home-modules/shells/fish/functions/nurlol.fish b/home-modules/shells/fish/functions/nurlol.fish
index da2d5b0..dc40e6e 100644
--- a/home-modules/shells/fish/functions/nurlol.fish
+++ b/home-modules/shells/fish/functions/nurlol.fish
@@ -11,5 +11,7 @@ function nurlol --description "Get the nurl output and copy to clipboard. Usage:
     # set the command to a variable: "nurl https://github.com/$user/$repo 2>/dev/null"
     set -l nurlol_command "nurl https://github.com/$user/$repo 2>/dev/null"
     # Execute the command, copy to clipboard using pbcopy, and print the command
-    set -l nurlol_output (eval $nurlol_command); echo $nurlol_output | pbcopy; echo $nurlol_output
+    set -l nurlol_output (eval $nurlol_command)
+    echo $nurlol_output | pbcopy
+    echo $nurlol_output
 end
diff --git a/home-modules/shells/fish/functions/ssh_agent_start.fish b/home-modules/shells/fish/functions/ssh_agent_start.fish
index 6f6f1e8..d726808 100644
--- a/home-modules/shells/fish/functions/ssh_agent_start.fish
+++ b/home-modules/shells/fish/functions/ssh_agent_start.fish
@@ -2,17 +2,17 @@
 # if it does not exist, create the file
 setenv SSH_ENV $HOME/.ssh/environment
 
-function start_agent                                                                                                                                                                    
+function start_agent
     echo "Initializing new SSH agent ..."
-    ssh-agent -c | sed 's/^echo/#echo/' > $SSH_ENV
-    echo "succeeded"
-    chmod 600 $SSH_ENV 
-    . $SSH_ENV > /dev/null
+    ssh-agent -c | sed 's/^echo/#echo/' >$SSH_ENV
+    echo succeeded
+    chmod 600 $SSH_ENV
+    . $SSH_ENV >/dev/null
     ssh-add
 end
 
-function test_identities                                                                                                                                                                
-    ssh-add -l | grep "The agent has no identities" > /dev/null
+function test_identities
+    ssh-add -l | grep "The agent has no identities" >/dev/null
     if [ $status -eq 0 ]
         ssh-add
         if [ $status -eq 2 ]
@@ -21,19 +21,19 @@ function test_identities
     end
 end
 
-if [ -n "$SSH_AGENT_PID" ] 
-    ps -ef | grep $SSH_AGENT_PID | grep ssh-agent > /dev/null
+if [ -n "$SSH_AGENT_PID" ]
+    ps -ef | grep $SSH_AGENT_PID | grep ssh-agent >/dev/null
     if [ $status -eq 0 ]
         test_identities
-    end  
+    end
 else
     if test -f $SSH_ENV
-        source $SSH_ENV > /dev/null
+        source $SSH_ENV >/dev/null
     end
-    ps -ef | string match -e $SSH_AGENT_PID | string match -v grep | string match -e ssh-agent > /dev/null
+    ps -ef | string match -e $SSH_AGENT_PID | string match -v grep | string match -e ssh-agent >/dev/null
     if test $status -eq 0
         test_identities
-    else 
+    else
         start_agent
     end
-end
\ No newline at end of file
+end
diff --git a/home-modules/shells/fish/functions/yazi.fish b/home-modules/shells/fish/functions/yazi.fish
deleted file mode 100644
index 7fa8a80..0000000
--- a/home-modules/shells/fish/functions/yazi.fish
+++ /dev/null
@@ -1,8 +0,0 @@
-function yy
-	set tmp (mktemp -t "yazi-cwd.XXXXXX")
-	yazi $argv --cwd-file="$tmp"
-	if set cwd (command cat -- "$tmp"); and [ -n "$cwd" ]; and [ "$cwd" != "$PWD" ]
-		builtin cd -- "$cwd"
-	end
-	rm -f -- "$tmp"
-end
diff --git a/home-modules/shells/fish/init.fish b/home-modules/shells/fish/init.fish
index 8ba3e56..e9ee2de 100644
--- a/home-modules/shells/fish/init.fish
+++ b/home-modules/shells/fish/init.fish
@@ -48,3 +48,8 @@ set -Ux BAT_THEME 1337
 # forgit
 set -x PATH $PATH $FORGIT_INSTALL_DIR/bin
 set -Ux FORGIT_CHECKOUT_BRANCH_BRANCH_GIT_OPTS '--sort=-committerdate'
+
+# if `uname -r` result contains `orbstack`, add alias `xdg-open` to `open`
+if uname -r | rga --quiet orbstack
+    alias xdg-open open
+end
diff --git a/justfile b/justfile
index b5f5640..ce3d852 100644
--- a/justfile
+++ b/justfile
@@ -48,6 +48,7 @@ lint:
 fmt:
     just --fmt --unstable
     yamlfmt . --formatter
+    fish_indent --write **/*.fish
     nixfmt *.nix **/*.nix **/**/*.nix --width=100
 
 fml: fmt lint
diff --git a/modules/openssh.nix b/modules/openssh.nix
index ca22261..7021334 100644
--- a/modules/openssh.nix
+++ b/modules/openssh.nix
@@ -8,6 +8,9 @@ _: {
     '';
     authorizedKeysFiles = [
       "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJNMtRVUTD0g9VNsHXK3EpDrgyndSAFbLqNmTEtJRfJI"
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJweyVEQv8a6t9p4magdhQcah9yqADTxkkG5+svwSkBL"
+
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIDNyROH/lWSYGnwkMmmDqsjIFjo4zv/N4HHQS9GVxPLn"
     ];
     settings = {
       X11Forwarding = true;
diff --git a/modules/users.nix b/modules/users.nix
index b79c92f..159fda9 100644
--- a/modules/users.nix
+++ b/modules/users.nix
@@ -22,6 +22,8 @@
       hashedPassword = "$y$j9T$dHqYv21jcB7S3jBrqffWx1$xUqbav37bG7iWc2A1bFUvPrwTB8.wCUXCZdm1QNb5n2";
       openssh.authorizedKeys.keys = [
         "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJNMtRVUTD0g9VNsHXK3EpDrgyndSAFbLqNmTEtJRfJI"
+        "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJweyVEQv8a6t9p4magdhQcah9yqADTxkkG5+svwSkBL"
+
         "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIDNyROH/lWSYGnwkMmmDqsjIFjo4zv/N4HHQS9GVxPLn"
       ];
     };