Modular Windows: the PC as a chassis full of modules

{
  "input": {
    "prompt": " Cutaway illustration of a desktop tower PC like a modular vending machine: internal bays labeled “Keyboard Input Pack,” “Critical Security Updates™,” “Personalization Pack,” each with tiny barcode stickers and “Monthly billing” tags. Some bays are empty with “Add module” placeholders. Visual joke: a small receipt printer mounted where a fan would be."
  }
}