magazine-cover-8x10 revision 1 produces one portrait 8 × 10 print per
quantity. It routes to the canonical print-8x10 fulfillment target.
template_requirement is required. The order’s artwork must use the
asset_id from a succeeded Batch Relay render and include that render’s
matching template_render_id. A raw URL or unrelated managed asset is not
accepted for this product.
The magazine-cover identity remains on the order record while fulfillment uses
its pinned standard-print target. The role has fixed orientation.