Product feed and product page mismatch is a source trail problem too

A question about comparing product feed fields, visible product page copy, and local stock promises.

When a product feed says in stock but the page says preorder, the customer sees a store promise conflict. I think this is not only a commerce problem; it is a source trail problem. Which record should staff trust: feed, page, spreadsheet, or branch stock note? A useful check compares title, variant, image, price, availability, pickup method, return note, and last checked date. How do small teams keep those fields aligned across channels?