fix(options): Added options for laptop and nvidia mod

host/modules/common.nix

@@ -6,6 +6,26 @@
     ./packages.nix
   ];
 
+  options = {
+    host = {
+      laptop = lib.mkEnableOption "laptop mode";
+
+      nvidia.prime = {
+        enable = lib.mkEnableOption "NVIDIA PRIME offload for hybrid graphics";
+        intelBusId = lib.mkOption {
+          type = lib.types.str;
+          default = "PCI:0:2:0";
+          description = "Intel/iGPU Bus ID used by NVIDIA PRIME.";
+        };
+        nvidiaBusId = lib.mkOption {
+          type = lib.types.str;
+          default = "PCI:1:0:0";
+          description = "NVIDIA dGPU Bus ID used by NVIDIA PRIME.";
+        };
+      };
+    };
+  };
+
   config = {
     networking.hostName = hostname;
     time.timeZone = lib.mkDefault "Europe/Moscow";