update 

home/programs/cli/helix/default.nix

@@ -1,6 +1,6 @@
 { ... }:
 {
-	imports = [ ./theme.nix ./health.nix ];
+	imports = [ ./theme.nix ./languages.nix ];
 	programs.helix = {
 		enable = true;
 		defaultEditor = true;

home/programs/cli/helix/health.nix

@@ -1,15 +0,0 @@
-{ pkgs, ... }:
-{
-  home.packages = with pkgs; [
-    nil
-    marksman
-    markdown-oxide
-    yaml-language-server
-    vscode-langservers-extracted
-    # bash-language-server
-    rust-analyzer
-    python312Packages.python-lsp-server
-    lua-language-server
-    taplo
-  ];
-}

home/programs/cli/helix/languages.nix

@@ -0,0 +1,37 @@
+{ pkgs, ... }:
+{
+  programs.helix.languages = {
+    language = [
+      {
+        name = "nix";
+        language-servers = [ "nixd" "nil" ];
+        indent = { tab-width = 4; unit = "  "; };
+      }
+    ];
+    language-server = {
+      nixd = {
+        command = "nixd";
+      };
+    };
+  };
+
+  # LSP PACKGAES
+  home.packages = with pkgs; [
+    # NIX LSP
+    nil
+    nixd
+
+    # MARKDOWN LSP
+    marksman
+    markdown-oxide
+
+    # OTHER LSP
+    yaml-language-server
+    vscode-langservers-extracted
+    # bash-language-server
+    rust-analyzer
+    python312Packages.python-lsp-server
+    lua-language-server
+    taplo
+  ];
+}