Jithox BE Commerce Preflight

Read-only, provider-neutral commerce preflight, in the markets the connected source covers. Search products, read current offers (integer minor-unit prices), compare offers as a value table on a stated criterion, verify a merchant's declared UCP/ACP checkout data as normalized evidence (with change detection between preparation and re-check), and hand a HUMAN an official buy link — BEFORE anyone spends anything. Answers come from the queried source at the stated retrieval time (a UCP or ACP merchant, a partner catalog source, or a clearly-labelled synthetic fixture in dev/test); a no-match is never 'not sold' — only 'not in the source we queried, which covers the markets it declares'; 'verified' means fetched, parsed and internally consistent — never 'safe' and never 'approved'; missing/unavailable/unsupported/not_configured is never a verdict and costs nothing. This server NEVER places, modifies or cancels an order and never touches a payment, card or checkout — the merchant s