refactor: Move sw into properly nested modules with unconditional import

sw/tablet-kiosk/default.nix

@@ -5,29 +5,68 @@
   inputs,
   ...
 }:
-lib.mkMerge [
-  (import ./programs.nix {
-    inherit
-      config
-      lib
-      pkgs
-      inputs
-      ;
-  })
-  (import ./services.nix {
-    inherit
-      config
-      lib
-      pkgs
-      inputs
-      ;
-  })
-  (import ./gsettings.nix {
-    inherit
-      config
-      lib
-      pkgs
-      inputs
-      ;
-  })
-]
+
+with lib;
+
+let
+  cfg = config.athenix.sw.tablet-kiosk;
+in
+{
+  options.athenix.sw.tablet-kiosk = {
+    enable = mkOption {
+      type = types.bool;
+      default = false;
+      description = ''
+        Enable tablet kiosk mode with touch-optimized interface.
+
+        Includes:
+        - Phosh mobile desktop environment
+        - Chromium in fullscreen kiosk mode
+        - On-screen keyboard (Squeekboard)
+        - Auto-login and auto-start browser
+        - Touch gesture support
+        - Optimized for Surface Pro tablets
+
+        Recommended for: Surface tablets, touchscreen kiosks, interactive displays
+      '';
+      example = true;
+    };
+
+    kioskUrl = mkOption {
+      type = types.str;
+      default = "https://ha.factory.uga.edu";
+      description = ''
+        URL to display in the kiosk browser on startup.
+        The browser will automatically navigate to this URL in fullscreen mode.
+      '';
+      example = "https://dashboard.example.com";
+    };
+  };
+
+  config = mkIf cfg.enable (mkMerge [
+    (import ./programs.nix {
+      inherit
+        config
+        lib
+        pkgs
+        inputs
+        ;
+    })
+    (import ./services.nix {
+      inherit
+        config
+        lib
+        pkgs
+        inputs
+        ;
+    })
+    (import ./gsettings.nix {
+      inherit
+        config
+        lib
+        pkgs
+        inputs
+        ;
+    })
+  ]);
+}

sw/tablet-kiosk/services.nix

@@ -155,7 +155,7 @@
           --noerrdialogs \
           --disable-session-crashed-bubble \
           --disable-infobars \
-          ${config.athenix.sw.kioskUrl}
+          ${config.athenix.sw.tablet-kiosk.kioskUrl}
       '';
     };
   };