update

development.el

@@ -34,7 +34,9 @@
 
   ;; Show more detailed annotations
   (setq corfu-show-annotations t
-        corfu-annotate-max-width 50))
+        corfu-annotate-max-width 50)
+
+  )
 
 ;; If using LSP, configure to show more details
 (after! lsp-mode
@@ -43,9 +45,7 @@
         lsp-completion-show-label-description t ; Show more details in label
         ))
 
-(after! lsp-haskell
-  (setq lsp-haskell-plugin-fourmolu-config-path "fourmolu -o -XImportQualifiedPost -o -XOverloadedStrings -o -XTypeApplications -o -XScopedTypeVariables -o -XGADTs -o -XDataKinds -o -XTypeFamilies -o -XFlexibleContexts -o -XFlexibleInstances -o -XMultiParamTypeClasses -o -XRankNTypes -o -XExistentialQuantification")
-  )
+;; Haskell LSP uses HLS by default in Doom; removed outdated fourmolu config
 
 (use-package! bnf-mode
   :mode "\\.bnf\\'"
@@ -122,9 +122,11 @@
              (advice-add 'lsp-format-buffer :around
                          (lambda (orig-fun &rest args)
                            (if (eq major-mode 'nix-mode)
-                               (if (in-nixpkgs-repo-p)
-                                   (format-all-buffer 'nixfmt)
-                                 (format-all-buffer 'alejandra))
+                               (let ((fmt (if (in-nixpkgs-repo-p)
+                                              (executable-find "nixfmt")
+                                            (executable-find "alejandra"))))
+                                 (when fmt
+                                   (format-all-buffer (intern (file-name-nondirectory fmt)))))
                              (apply orig-fun args))))))
 
 ;; Enable format-on-save globally if desired