add llm-development profile

platforms/home-manager/modules/nmasur/profiles/llm-development.nix

@@ -0,0 +1,26 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+let
+  cfg = config.nmasur.profiles.llm-development;
+in
+
+{
+
+  options.nmasur.profiles.llm-development.enable = lib.mkEnableOption "LLM coding tools";
+
+  config = lib.mkIf cfg.enable {
+
+    home.packages = [
+
+      pkgs.pi-coding-agent # AI LLM Agent
+
+    ];
+
+  };
+
+}

platforms/nix-darwin/modules/nmasur/presets/programs/_1password.nix

@@ -12,12 +12,9 @@ in
   options.nmasur.presets.programs._1password.enable = lib.mkEnableOption "1Password password manager";
 
   config = lib.mkIf cfg.enable {
-    allowUnfreePackages = [
-      "1password"
-      "_1password-gui"
-      "1password-cli"
-    ];
-
+    # Unfree packages are already permitted via the shared nixpkgs instance
+    # created in lib/default.nix (config.allowUnfree = true). Setting
+    # nixpkgs.config here would conflict with nixpkgs.pkgs being set externally.
     programs._1password.enable = true;
     programs._1password-gui = {
       enable = true;