query CartValidationsGenerateRunInput {
  # Denormalized capacity + enforcement snapshot written by
  # app/services/checkout-snapshot.server.ts. Functions can't query the app
  # DB, so anything needed to enforce "the slot has since become invalid"
  # (study §5.2) or "only enforce for tagged products" (study §3.5) is
  # pushed into this metafield.
  shop {
    checkoutSnapshot: metafield(namespace: "delivery_datetime", key: "checkout_snapshot") {
      value
    }
  }
  cart {
    ddMethod: attribute(key: "dd_method") {
      value
    }
    ddDate: attribute(key: "dd_date") {
      value
    }
    ddStartMin: attribute(key: "dd_start_min") {
      value
    }
    ddEndMin: attribute(key: "dd_end_min") {
      value
    }
    ddLocationId: attribute(key: "dd_location_id") {
      value
    }
    lines {
      merchandise {
        __typename
        ... on ProductVariant {
          product {
            id
          }
        }
      }
    }
  }
}