I tried going all in on dendritic, but I think I'm gonna go for a lighter approach

modules/nix/home-manager.nix

@@ -0,0 +1,36 @@
+{
+  inputs,
+  config,
+  ...
+}:
+
+let
+  home-manager-config =
+    { lib, ... }:
+    {
+      home-manager = {
+        verbose = false;
+        useUserPackages = true;
+        useGlobalPkgs = true;
+        backupFileExtension = "backup";
+        backupCommand = "rm";
+        overwriteBackup = true;
+      };
+    };
+in
+
+{
+  flake-file.inputs = {
+    home-manager = {
+      url = "github:nix-community/home-manager/master";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  flake.modules.nixos.home-manager = {
+    imports = [
+      inputs.home-manager.nixosModules.home-manager
+      home-manager-config
+    ];
+  };
+}