One-lead rescue checkout, 5 USD.

Roofing buyer-send route: read the one-read buyer packet or agent JSON, then pay exactly 5 USD on PayPal. Fulfillment starts only after PAYPAL_PAYMENT_VERIFIED=true; use placeholders only.

The fastest path is rescue-first: generate a one-lead PayPal note, pay exactly 5 USD, then use the one-lead order form while seller-side verification runs.

Payment contract: one-lead rescue note, exactly 5.00 USD on PayPal, one-lead order form, and no fulfillment claim until seller-side PayPal evidence exists or PAYPAL_PAYMENT_VERIFIED=true.