[Demo] Material descriptions: what can photographs actually establish? · SNEAKERS-27916

Synthetic demo • AI-assisted. Fictional discussion exercise with simulated dates. No real purchase, customer review, patient, expert identity or experimental result is represented.

A listing uses several material labels without composition information. How should the discussion describe the evidence?

Record format: question; response; source or method; limitation. Add a dated correction only if wording or evidence changes. SNEAKERS-27916.