Use Claude as the default gptel backend

.config/emacs/init.el

@@ -278,7 +278,16 @@
   (rustic-lsp-client 'eglot)
   )
 
-(use-package gptel)
+(use-package gptel
+  :custom
+  (gptel-backend (gptel-get-backend "Claude"))
+  (gptel-model 'claude-3-5-haiku-20241022)
+  :preface
+  (gptel-make-anthropic "Claude"
+    :stream t
+    :key 'gptel-api-key-from-auth-source
+    )
+  )
 
 (use-package power-mode)