[zix790prors] More local LLM updates

Using qwen3:30b explicitly. The default "qwen3" from ollama was pulling
a very outdated model apparently (qwen3:8b). qwen3:4b and qwen3:30b are the newest.

Also sets up some defaults for gptel that have been useful

home/modules/emacs/doom/config.el

@@ -83,12 +83,16 @@
   (setq! gptel-api-key (my/get-rbw-password "openai-api-key-chatgpt-el")
          gptel-default-mode 'org-mode
          gptel-use-tools t
-         gptel-confirm-tool-calls 'always)
+         gptel-confirm-tool-calls 'always
+         gptel-include-reasoning 'ignore
+         gptel-model "qwen3:30b")
 
-  (gptel-make-ollama "Ollama-Local"
-    :host "localhost:11434"
-    :stream t
-    :models '(deepseek-r1 deepseek-r1-fullctx qwen3 qwen3-coder llama3.1 qwen2.5-coder mistral-nemo gpt-oss))
+  ;; Set default backend to be Ollama-Local
+  (setq! gptel-backend
+         (gptel-make-ollama "Ollama-Local"
+           :host "localhost:11434"
+           :stream t
+           :models '(deepseek-r1 deepseek-r1-fullctx qwen3:30b qwen3:4b llama3.1 qwen2.5-coder mistral-nemo gpt-oss)))
 
   ;; Define custom tools
   (gptel-make-tool

machines/zix790prors/configuration.nix

@@ -71,9 +71,11 @@ with lib;
     powerManagement.finegrained = false;
   };
 
-  environment.systemPackages = [
-    (pkgs.ollama.override { acceleration = "cuda"; })
-  ];
+  services.ollama = {
+    enable = true;
+    acceleration = "cuda";
+    loadModels = [ "gpt-oss" "deepseek-r1" "qwen3:30b" ];
+  };
 
   # This option defines the first version of NixOS you have installed on this particular machine,
   # and is used to maintain compatibility with application data (e.g. databases) created on older NixOS versions.