fix(ai): Avoid error that makes llama.cpp try to load ollama model

configs/init-ai.el

@@ -18,6 +18,15 @@
                           :key (getenv "GEMINI_KEY")
                           :stream t)))
 
+  (setq gptel-backend (gptel-make-openai "llama.cpp"
+                        :stream t
+                        :protocol "http"
+                        :host "127.0.0.1:1945"
+                        :models '("gemma-4-E4B"
+                                  "gemma-4-26B"
+                                  "gemma-4-26B-Q2"
+                                  "QwenSeek-2B")))
+
   (setq gptel-model 'gemma4:31b-cloud
         gptel-backend (gptel-make-ollama "Ollama"
                         :host "localhost:11434"
@@ -29,16 +38,6 @@
                                   "minimax-m2.5:cloud"
                                   "qwen3-coder-next:cloud")))
 
-  (setq gptel-backend
-        (gptel-make-openai "llama.cpp"
-          :stream t
-          :protocol "http"
-          :host "127.0.0.1:1945"
-          :models '("gemma-4-E4B"
-                    "gemma-4-26B"
-                    "gemma-4-26B-Q2"
-                    "QwenSeek-2B")))
-
   (setq gptel-default-mode 'org-mode
         gptel-prompt-prefix-alist
         '((markdown-mode . "# User\n\n")