{"payment_enabled":true,"network":"base","currency":"USDC","price_usd_per_call":0.01,"pay_to":"0xacc70e0892191ea599e52f7ea5ecdc78f046048c","note":"Spec points to the supplied address on Base. Paid endpoint /agent/v1/transcript-paid verifies via facilitator; a real $0.01 payment test is still pending."}