Document redaction review — Equal-width histogram + IQR outlier flags: Equal-width histogram + IQR outlier flags for supplied document redaction review records (flagged_spans, reviewed_spans). Up to 200 rows; 2 independent reports using shared local analytical engines. No live lookup, prediction, professional assessment or external action. 0.01 USDC includes 2 supplied-data reports for up to 200 rows.