feat: fixed horrible lsp problem

parts/config/devshells.nix

@@ -1,40 +1,32 @@
+{ pkgs, config, ... }:
 {
-  pkgs,
-  config,
-  pkgs-stable,
-  ...
-}: {
   haskellProjects.default = {
     devShell = {
       enable = true;
 
       tools = hp: {
-        inherit
-          (hp)
-          cabal-fmt
-          haskell-language-server
-          ;
+        inherit (hp) cabal-fmt haskell-language-server;
 
-        inherit
-          (pkgs)
-          alejandra
+        inherit (pkgs)
+          age
+          just
+          nil
+          nixd
+          sops
+          ssh-to-age
+          nixfmt-rfc-style
           dhall
           dhall-json
           dhall-lsp-server
           helix-gpt
-          just
           libz
           ngrep
-          nil
-          sops
-          ssh-to-age
           stripe-cli
           vscode-langservers-extracted
           zlib
           ;
 
-        inherit
-          (pkgs-stable.elmPackages)
+        inherit (pkgs.elmPackages)
           elm
           elm-format
           elm-land
@@ -43,17 +35,11 @@
           elm-test
           ;
 
-        inherit
-          (pkgs.nodePackages_latest)
-          dotenv-cli
-          forever
-          nodejs
-          npm
-          typescript-language-server
-          ;
+        inherit (pkgs.haskellPackages) nixfmt;
       };
 
       hlsCheck.enable = true;
+      mkShellArgs.shellHook = "${config.pre-commit.installationScript}";
     };
   };
 }

parts/config/packages.nix

@@ -0,0 +1,4 @@
+{ self, ... }:
+{
+  packages.default = self.packages.example;
+}

parts/config/pre-commit.nix

@@ -0,0 +1,7 @@
+{
+  pre-commit.settings.hooks = {
+    nixfmt-rfc-style.enable = true;
+    commitizen.enable = true;
+    statix.enable = true;
+  };
+}