Update lockfile, adjust modules, add utilities

Refresh flake.lock with latest revisions for several dependencies.
Disable Prism Launcher on both desktop and laptop configurations.
Enable the Upscaler tool on the laptop system module.
Add smartmontools to the core essentials package list.
Enhance the “ncg” alias to run `nh clean all --optimise`.

hosts/Garand-Desktop/system-modules.nix

@@ -47,7 +47,7 @@ _: {
     /*
     Gaming
     */
-    prismlauncher.enable = true; # Prism Launcher: Minecraft modded launcher
+    prismlauncher.enable = false; # Prism Launcher: Minecraft modded launcher
     spaceCadetPinball.enable = true; # SpaceCadet Pinball: classic pinball game
     ttySolitaire.enable = true; # TTY Solitaire: terminal‑based solitaire game
     heroic.enable = false; # Native GOG, Epic, and Amazon Games Launcher for Linux, Windows and Mac

hosts/Garand-Laptop/system-modules.nix

@@ -10,7 +10,7 @@ _: {
       sober.enable = false; # Roblox client
       warehouse.enable = true; # Flatpak manager
       flatseal.enable = true; # Flatpak permissions manager
-      upscaler.enable = false; # Upscaler: Upscale and enhance images
+      upscaler.enable = true; # Upscaler: Upscale and enhance images
     };
   };
 
@@ -47,7 +47,7 @@ _: {
     /*
     Gaming
     */
-    prismlauncher.enable = true; # Prism Launcher: Minecraft modded launcher
+    prismlauncher.enable = false; # Prism Launcher: Minecraft modded launcher
     spaceCadetPinball.enable = true; # SpaceCadet Pinball: classic pinball game
     ttySolitaire.enable = true; # TTY Solitaire: terminal‑based solitaire game
     heroic.enable = false; # Native GOG, Epic, and Amazon Games Launcher for Linux, Windows and Mac