add work host

modules/_hardware/work-hardware.nix

@@ -0,0 +1,26 @@
+{ config, lib, modulesPath, ... }: {
+  imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];
+
+  # AMD Ryzen 7 4000 series (Renoir)
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "nvme" "usbhid" "sd_mod" ];
+  boot.kernelModules                 = [ "kvm-amd" "amdgpu" ];
+  boot.extraModulePackages           = [];
+
+  networking.useDHCP   = lib.mkDefault true;
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+
+  hardware.cpu.amd.updateMicrocode =
+    lib.mkDefault config.hardware.enableRedistributableFirmware;
+
+  # PRIME offload: AMD iGPU renders the display, NVIDIA dGPU handles offloaded workloads.
+  # Fill in the Bus IDs before building the ISO.
+  # To get them: boot any live Linux on the machine and run:
+  #   lspci -D | grep -E '(VGA|3D|Display)'
+  # Then convert the PCI address (e.g. 0000:06:00.0) to the format "PCI:6:0:0".
+  hardware.nvidia.prime = {
+    offload.enable           = true;
+    offload.enableOffloadCmd = true;
+    amdgpuBusId = "PCI:FILL:IN:ME"; # TODO: AMD Radeon Vega iGPU bus ID
+    nvidiaBusId = "PCI:FILL:IN:ME"; # TODO: NVIDIA GTX 1650 dGPU bus ID
+  };
+}