Add steam module

hosts/laptop/default.nix

@@ -18,4 +18,6 @@
   modules.opencode.enable = true;
 
   modules.display.scale = 2;
+
+  modules.steam.remotePlay.enable = true;
 }

modules/nixos/default.nix

@@ -17,6 +17,7 @@
     ./plasma.nix
     ./sddm.nix
     ./services.nix
+    ./steam.nix
     ./stylix.nix
     ./system.nix
     ./tailscale.nix

modules/nixos/steam.nix

@@ -0,0 +1,20 @@
+{
+  config,
+  lib,
+  ...
+}:
+with lib;
+let
+  cfg = config.modules.steam;
+in
+{
+  config = mkIf cfg.enable {
+    programs.steam = {
+      enable = true;
+      remotePlay.openFirewall = cfg.remotePlay.enable;
+      dedicatedServer.openFirewall = cfg.remotePlay.enable;
+    };
+
+    hardware.steam-hardware.enable = true;
+  };
+}

modules/options/default.nix

@@ -16,6 +16,7 @@
     ./plasma.nix
     ./screenshot.nix
     ./shell.nix
+    ./steam.nix
     ./system.nix
     ./tailscale.nix
     ./vm.nix

modules/options/steam.nix

@@ -0,0 +1,13 @@
+{
+  lib,
+  ...
+}:
+with lib;
+{
+  options.modules.steam = {
+    enable = mkEnableOption "Steam";
+    remotePlay = {
+      enable = mkEnableOption "Steam Remote Play firewall rules";
+    };
+  };
+}

profiles/desktop/default.nix

@@ -29,4 +29,6 @@
   modules.screenshot.enable = true;
 
   modules.tailscale.enable = true;
+
+  modules.steam.enable = true;
 }