bring back nix-darwin hosts compatability

hosts/darwin/home-default.nix

@@ -0,0 +1,191 @@
+{ config, pkgs, nixvim, claude-code, firefox-addons, ... }:
+
+{
+  imports = [
+    nixvim.homeModules.nixvim
+    ../../modules/nvim.nix
+    ../../modules/tmux.nix
+    ../../modules/zsh.nix
+    ../../modules/ssh.nix
+    ../../modules/git.nix
+    ../../modules/lazygit.nix
+    ../../modules/papis.nix
+    ../../modules/termscp.nix
+    ../../modules/rsync.nix
+    ../../modules/btop.nix
+    ../../modules/firefox.nix
+    ../../modules/ghostty.nix
+    ../../modules/syncthing.nix
+    ../../modules/dictionary.nix
+    ../../modules/yt-dlp.nix
+    ../../modules/claude-code.nix
+    ../../modules/tex.nix
+    ../../modules/fonts.nix
+  ];
+
+  nixpkgs.config.allowUnfree = true;
+
+  # Firefox configuration
+  programs.firefox-custom = {
+    enable = true;
+    package = null;  # Use system Firefox on Darwin
+  };
+
+  # Ghostty configuration
+  programs.ghostty-custom = {
+    enable = true;
+    package = null;  # Use Homebrew-installed Ghostty on Darwin
+    windowMode = "windowed";
+    windowWidth = 999;
+    windowHeight = 999;
+  };
+
+  # Claude Code configuration
+  programs.claude-code-custom = {
+    enable = true;
+  };
+
+  home.username = "yanlin";
+  home.homeDirectory = "/Users/yanlin";
+  home.stateVersion = "24.05";
+
+  programs.home-manager.enable = true;
+
+  # darwin-specific alias
+  programs.zsh.shellAliases = {
+      oss = "sudo darwin-rebuild switch --flake ~/.config/nix#$(hostname)";
+
+      preview = "open -a Preview";
+      slide = "open -a SlidePilot";
+
+      # Network monitoring aliases
+      bw = "sudo bandwhich";
+      bw-raw = "sudo bandwhich --raw";
+      bw-dns = "sudo bandwhich --show-dns";
+  };
+
+  # Darwin-specific zsh functions
+  programs.zsh.initContent = ''
+    # Function to search and open all macOS applications
+    function app() {
+      local app_path
+      local file_to_open="$1"
+
+      app_path=$( (find -L /Applications -name "*.app" -maxdepth 2 2>/dev/null; \
+                   find -L ~/Applications -name "*.app" -maxdepth 3 2>/dev/null; \
+                   find /System/Applications -name "*.app" -maxdepth 2 2>/dev/null; \
+                   find /System/Applications/Utilities -name "*.app" -maxdepth 1 2>/dev/null) |
+        sort | uniq |
+        fzf --header="Select app to open''${file_to_open:+ file: $file_to_open}" \
+            --preview 'basename {} .app' \
+            --preview-window=up:1 \
+            --height=40%)
+
+      if [[ -n "$app_path" ]]; then
+        if [[ -n "$file_to_open" ]]; then
+          open -a "$app_path" "$file_to_open"
+        else
+          open "$app_path"
+        fi
+      fi
+    }
+
+    # SSH tunnel functions for easy VPN-like functionality
+    function tunnel-on() {
+      if [[ -z "$1" ]]; then
+        echo "Usage: tunnel-on <host>"
+        return 1
+      fi
+
+      local host="$1"
+      local port=1080  # Use port 1080 (standard SOCKS port)
+
+      # Check if there's already an active tunnel
+      local existing_tunnel=$(ps aux | grep -E "ssh -D $port" | grep -v grep)
+      if [[ -n "$existing_tunnel" ]]; then
+        echo "Existing tunnel detected. Switching to $host..."
+        echo "Stopping current tunnel..."
+        pkill -f "ssh -D $port"
+        sleep 1
+      fi
+
+      echo "Starting SOCKS tunnel to $host on port $port..."
+
+      # Start SSH tunnel in background
+      ssh -D $port -N -f "$host"
+      if [[ $? -eq 0 ]]; then
+        echo "Tunnel established. Configuring system proxy..."
+
+        # Configure system proxy
+        networksetup -setsocksfirewallproxy "Wi-Fi" localhost $port
+        networksetup -setsocksfirewallproxystate "Wi-Fi" on
+
+        echo "✓ System proxy enabled on Wi-Fi (localhost:$port -> $host)"
+      else
+        echo "✗ Failed to establish tunnel to $host"
+        return 1
+      fi
+    }
+
+    function tunnel-off() {
+      local port=1080
+      echo "Disabling system proxy..."
+      networksetup -setsocksfirewallproxystate "Wi-Fi" off
+      echo "✓ System proxy disabled"
+
+      echo "Stopping SSH tunnels..."
+      pkill -f "ssh -D $port"
+      echo "✓ SSH tunnels stopped"
+    }
+
+    function tunnel-status() {
+      local port=1080
+      echo "=== System Proxy Status ==="
+      networksetup -getsocksfirewallproxy "Wi-Fi" | grep -E "Enabled|Server|Port"
+
+      echo ""
+      echo "=== Active SSH Tunnels ==="
+      local tunnels=$(ps aux | grep -E "ssh -D $port" | grep -v grep)
+      if [[ -n "$tunnels" ]]; then
+        echo "$tunnels"
+      else
+        echo "No active SSH tunnels"
+      fi
+    }
+  '';
+
+  home.packages = with pkgs; [
+    # Network and file transfer
+    lftp
+    httpie
+    openssh
+    gnumake
+
+    # Network diagnostic tools
+    bind           # DNS utilities (dig, nslookup, mdig)
+    inetutils      # Network utilities (telnet)
+    netcat-gnu     # Network connection utility
+    curl           # HTTP client
+    wget           # Web downloader
+    bandwhich      # Terminal bandwidth utilization tool
+
+    # Command-line utilities
+    ncdu
+    git-credential-oauth
+    zoxide
+    delta
+    fastfetch
+    coreutils      # GNU core utilities (base64, etc.)
+
+    # macOS-specific GUI applications
+    maccy          # Clipboard manager (macOS-only)
+    iina           # Media player (macOS-optimized)
+    hidden-bar     # Menu bar organizer (macOS-only)
+
+    # Development and build tools
+    python312
+    uv
+    lazysql
+    sqlite
+  ];
+}