fix(AI): remove claude desktop, fixes for ollama

users/modules/dev/ai/claude.nix

@@ -2,15 +2,20 @@
   config,
   lib,
   inputs,
-  system,
+  pkgs,
   ...
 }:
 with lib; let
   cfg = config.home.dev.ai.claude;
+  system = pkgs.stdenv.hostPlatform.system;
 in {
   options.home.dev.ai.claude.enable = mkEnableOption "Enables Claude-related packages";
   config = mkIf cfg.enable {
-    home.packages = [inputs.claude-desktop.packages.${system}.claude-desktop-with-fhs];
+    home.packages = let
+      claude-jj = pkgs.writeShellScriptBin "claude-jj" ''
+        ${pkgs.claude-code}/bin/claude --append-system-prompt 'CRITICAL: This repository uses Jujutsu (jj), NOT git. Never use git commands. Use jj equivalents. See CLAUDE.md.' "$@"
+      '';
+    in [claude-jj];
     programs.claude-code = {
       inherit (cfg) enable;
     };

users/modules/dev/ai/default.nix

@@ -1,6 +1,7 @@
 {
   config,
   lib,
+  pkgs,
   ...
 }:
 with lib; let
@@ -12,8 +13,11 @@ in {
   ];
 
   options.home.dev.ai.enable = mkEnableOption "Enables AI features";
-  config.home.dev.ai = mkIf cfg.enable {
-    ollama.enable = mkDefault cfg.enable;
-    claude.enable = mkDefault cfg.enable;
+  config.home = mkIf cfg.enable {
+    dev.ai = {
+      ollama.enable = mkDefault cfg.enable;
+      claude.enable = mkDefault cfg.enable;
+    };
+    packages = [pkgs.opencode];
   };
 }