Cubes grandstand during walkout while squares arrive like office stationery

{
  "input": {
    "prompt": " Wide establishing illustration of the entrance tunnels: three cubes enter under spotlights with pyro and branded capes (“Premium Storage Solutions”), waving to cameras; beside them, the squares enter with no music—just a clean, minimalist spotlight—moving like clipped paper across the floor. Floor markings resemble graph paper. Security is a stern trapezoid with an earpiece.  "
  }
}