{"query":"intent-surplus","result":{"userBenefit":60,"gasCostUsd":0.5,"surplus":59.5,"profitable":true,"source":"intent-solver-fixture"},"source":"stream-9-zerostorage/intent-solver-fixture","route":"/api/v1/intent/surplus","sample":true,"cost":"free","paidPriceUsd":"0.02","fieldsIncludedWhenPaid":["limitPrice","fillPrice","payTo","payer","amount charged"],"note":"Free sample: intent surplus over fixed limit/fill prices. POST /api/v1/intent/surplus with { limitPrice, fillPrice } charges 0.02 USDC and returns the same shape plus the caller-supplied prices."}