Page Change

Compare two already-held extract-batch JSON artifacts. charged is false. Not a paid SKU. Does not fetch, pay, or schedule a second observation. Compare only the explicitly selected data keys present on both matched rows. Missing keys are coverage unknown, not deletions; explicit null is a present value. Unselected metadata is not a content delta. SYNTHETIC offline construction example only. No URL fetch, payment, receipt, observation or freshness is evidenced. Complete request example (title changes, description stays unchanged): {"before":{"ok":true,"product":"samedaydesk-extract-batch","schemaVersion":"samedaydesk.extract-batch.v0","quote":{"amountAtomic":"10000","displayUsdc":"0.01","meaning":"SYNTHETIC offline construction example only. No URL fetch, payment, receipt, observation or freshness is evidenced."},"jobId":"0000000000000000000000000000000000000000000000000000000000000000","jobStatus":"completed","stopReason":null,"partial":false,"sources":[{"id":"item-001","source":"https://synthetic.example.invalid/page","status":"success","data":{"title":"Synthetic title before","description":"Stable synthetic description"},"notes":[],"error":null,"provenance":{"transport":"synthetic","note":"SYNTHETIC offline construction example only. No URL fetch, payment, receipt, observation or freshness is evidenced."}}],"accounting":{"requests":0,"bytes":0,"wallMs":0,"retries":0,"succeeded":0,"partial":0,"failed":0,"unknown":0,"skippedDuplicate":0},"costInputs":{"note":"SYNTHETIC offline construction example only. No URL fetch, payment, receipt, observation or freshness is evidenced."},"charged":false,"boundary":{"guaranteedUrlSuccess":false,"introductoryPrice":true,"sourceFetchBeforeAuthorization":false,"automaticRetries":false}},"after":{"ok":true,"product":"samedaydesk-extract-batch","schemaVersion":"samedaydesk.extract-batch.v0","quote":{"amountAtomic":"10000","displayUsdc":"0.01","meaning":"SYNTHETIC offline construction example only. No URL fetch, payment, receipt, observation or freshness is evidenced."},"jobId":"1111111111111111111111111111111111111111111111111111111111111111","jobStatus":"completed","stopReason":null,"partial":false,"sources":[{"id":"item-001","source":"https://synthetic.example.invalid/page","status":"success","data":{"title":"Synthetic title after","description":"Stable synthetic description"},"notes":[],"error":null,"provenance":{"transport":"synthetic","note":"SYNTHETIC offline construction example only. No URL fetch, payment, receipt, observation or freshness is evidenced."}}],"accounting":{"requests":0,"bytes":0,"wallMs":0,"retries":0,"succeeded":0,"partial":0,"failed":0,"unknown":0,"skippedDuplicate":0},"costInputs":{"note":"SYNTHETIC offline construction example only. No URL fetch, payment, receipt, observation or freshness is evidenced."},"charged":false,"boundary":{"guaranteedUrlSuccess":false,"introductoryPrice":true,"sourceFetchBeforeAuthorization":false,"automaticRetries":false}},"fields":["title","description"]}