Refactor home manager, and add desktop node on sparky.

home/packages.nix

@@ -1,38 +1,7 @@
-{ pkgs }:
+{ pkgs, profile ? "workstation" }:
 let
-  corePkgs = with pkgs; [
-    unstable.claude-code
-    unstable.codex
-    unstable.chromium
-    unstable.gemini-cli
-    unstable.playwright
-    unstable.playwright-driver.browsers
-    unstable.playwright-mcp
-    direnv
-    fzf
-    git
-    mosh
-    ripgrep
-    tmux
-    zsh
-  ];
-
-  pythonEnv = pkgs.unstable.python3.withPackages (ps: [
-    # unstable only
-    # ps.aider-chat
-    ps.google-generativeai
-    ps.ipython
-    ps.llm
-    ps.llm-gemini
-  ]);
-
-  fishPkgs = with pkgs.fishPlugins; [
-    pure
-    # don't add failed commands to history
-    sponge
-    transient-fish
-  ];
+  profilePackages = import ./profiles/${profile}.nix { inherit pkgs; };
 in
 {
-  packages = corePkgs ++ [ pythonEnv ] ++ fishPkgs;
+  packages = profilePackages.packages;
 }