Add command-not-found and comma support

flake.nix

@@ -5,6 +5,11 @@
         # General NixOS config
         nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
         nixpkgs-24-11.url = "github:NixOS/nixpkgs/nixos-24.11";
+        # Nixpkgs index for command-not-found support
+        nix-index-database = {
+            url = "github:nix-community/nix-index-database";
+            inputs.nixpkgs.follows = "nixpkgs";
+        };
         # NixOS Grub Themes (hyperfluent)
         nixos-grub-themes = {
             url = "github:jeslie0/nixos-grub-themes";
@@ -45,7 +50,7 @@
         };
     };
 
-    outputs = inputs@{ nixpkgs, home-manager, plasma-manager, ... }: let
+    outputs = inputs@{ nixpkgs, home-manager, plasma-manager, nix-index-database, ... }: let
         system = "x86_64-linux";
         pkgs = nixpkgs.legacyPackages.${system};
         secrets = import ./secrets.nix;
@@ -56,6 +61,10 @@
             modules = [
                 ./hosts/laptop
 
+                # Better command-not-found
+                nix-index-database.nixosModules.nix-index
+                { programs.nix-index-database.comma.enable = true; }
+
                 # Home manager
                 home-manager.nixosModules.home-manager
                 ./home-manager

hosts/laptop/modules/packages.nix

@@ -1,4 +1,4 @@
-{ pkgs, ... }:
+{ pkgs, inputs, ... }:
 {
     # Install system packages
     environment.systemPackages = with pkgs; [
@@ -22,6 +22,10 @@
     # Install zsh
     programs.zsh.enable = true;
 
+    # Disable default command-not-found (it doesn't work with flakes)
+    programs.command-not-found.enable = false;
+    programs.nix-index.enable = true;
+
     # Manage default firefox web browser install
     programs.firefox = {
         enable = true;