{ "format": "csv-contract-redline-checkpoint", "version": 1, "appId": "csv-contract-redline", "schemaVersion": 1, "createdAt": "2026-09-08T14:02:05.402Z", "digest": "bc750af7e215c568e5b2943a50f622974ef41ac7615c2b0cea2d166649bd2af1", "payload": { "appId": "csv-contract-redline", "schemaVersion": 1, "id": "redline-project", "title": "Northstar Parts monthly export redline", "createdAt": "2026-09-04T12:00:00.000Z", "updatedAt": "2026-09-04T12:05:00.000Z", "revision": 1, "nextId": 6, "baseline": { "id": "snapshot-baseline", "label": "August accepted export", "fileName": "orders-2026-08.csv", "encoding": "utf-8", "delimiter": "comma", "byteSize": 444, "rowCount": 4, "columnCount": 12, "contentDigest": "6e268823582419d116e8c46f85ba2c89486550477c4ca1285699e546b4583dd2", "analyzedAt": "2026-09-08T14:02:05.400Z", "columns": [ { "name": "order_id", "index": 0, "inferredType": "string", "confidence": 1, "observedTypes": { "empty": 0, "boolean": 0, "integer": 0, "number": 0, "date": 0, "datetime": 0, "string": 4 }, "blankCount": 0, "blankRate": 0, "distinctCount": 4, "distinctIsLowerBound": false, "minLength": 8, "maxLength": 8 }, { "name": "customer_id", "index": 1, "inferredType": "string", "confidence": 1, "observedTypes": { "empty": 0, "boolean": 0, "integer": 0, "number": 0, "date": 0, "datetime": 0, "string": 4 }, "blankCount": 0, "blankRate": 0, "distinctCount": 4, "distinctIsLowerBound": false, "minLength": 4, "maxLength": 4 }, { "name": "order_date", "index": 2, "inferredType": "date", "confidence": 1, "observedTypes": { "empty": 0, "boolean": 0, "integer": 0, "number": 0, "date": 4, "datetime": 0, "string": 0 }, "blankCount": 0, "blankRate": 0, "distinctCount": 3, "distinctIsLowerBound": false, "minLength": 10, "maxLength": 10 }, { "name": "region", "index": 3, "inferredType": "string", "confidence": 1, "observedTypes": { "empty": 0, "boolean": 0, "integer": 0, "number": 0, "date": 0, "datetime": 0, "string": 4 }, "blankCount": 0, "blankRate": 0, "distinctCount": 3, 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"name": "priority", "index": 7, "inferredType": "string", "confidence": 1, "observedTypes": { "empty": 0, "boolean": 0, "integer": 0, "number": 0, "date": 0, "datetime": 0, "string": 4 }, "blankCount": 0, "blankRate": 0, "distinctCount": 2, "distinctIsLowerBound": false, "minLength": 4, "maxLength": 6 }, { "name": "warehouse_code", "index": 8, "inferredType": "string", "confidence": 1, "observedTypes": { "empty": 0, "boolean": 0, "integer": 0, "number": 0, "date": 0, "datetime": 0, "string": 4 }, "blankCount": 0, "blankRate": 0, "distinctCount": 3, "distinctIsLowerBound": false, "minLength": 4, "maxLength": 4 }, { "name": "promised_date", "index": 9, "inferredType": "date", "confidence": 1, "observedTypes": { "empty": 0, "boolean": 0, "integer": 0, "number": 0, "date": 4, "datetime": 0, "string": 0 }, "blankCount": 0, "blankRate": 0, "distinctCount": 4, "distinctIsLowerBound": false, "minLength": 10, "maxLength": 10 }, { "name": "sales_rep", "index": 10, "inferredType": "string", "confidence": 1, "observedTypes": { "empty": 0, "boolean": 0, "integer": 0, "number": 0, "date": 0, "datetime": 0, "string": 4 }, "blankCount": 0, "blankRate": 0, "distinctCount": 3, "distinctIsLowerBound": false, "minLength": 4, "maxLength": 6 }, { "name": "notes", "index": 11, "inferredType": "string", "confidence": 1, "observedTypes": { "empty": 1, "boolean": 0, "integer": 0, "number": 0, "date": 0, "datetime": 0, "string": 3 }, "blankCount": 1, "blankRate": 0.25, "distinctCount": 3, "distinctIsLowerBound": false, "minLength": 9, "maxLength": 15 } ] }, "candidate": { "id": "snapshot-candidate", "label": "September candidate export", "fileName": "orders-2026-09.csv", "encoding": "utf-8", "delimiter": "comma", "byteSize": 556, "rowCount": 4, "columnCount": 12, "contentDigest": "fe70b64f62e826c87228d74013091ce81c6033dc31c4d2513a0d8376fa125538", "analyzedAt": "2026-09-08T14:02:05.401Z", "columns": [ { "name": "order_id", "index": 0, "inferredType": "string", "confidence": 1, "observedTypes": { "empty": 0, "boolean": 0, "integer": 0, "number": 0, "date": 0, "datetime": 0, "string": 4 }, "blankCount": 0, "blankRate": 0, "distinctCount": 4, "distinctIsLowerBound": false, "minLength": 8, "maxLength": 8 }, { "name": "client_id", "index": 1, "inferredType": "string", "confidence": 1, "observedTypes": { "empty": 0, "boolean": 0, "integer": 0, "number": 0, "date": 0, "datetime": 0, "string": 4 }, "blankCount": 0, "blankRate": 0, "distinctCount": 4, "distinctIsLowerBound": false, "minLength": 4, "maxLength": 4 }, { "name": "order_timestamp", "index": 2, "inferredType": "datetime", "confidence": 1, "observedTypes": { "empty": 0, "boolean": 0, "integer": 0, "number": 0, "date": 0, "datetime": 4, "string": 0 }, "blankCount": 0, "blankRate": 0, "distinctCount": 4, "distinctIsLowerBound": false, "minLength": 20, "maxLength": 20 }, { "name": "quantity", "index": 3, "inferredType": "number", "confidence": 1, "observedTypes": { "empty": 0, "boolean": 0, "integer": 0, "number": 4, "date": 0, "datetime": 0, "string": 0 }, "blankCount": 0, "blankRate": 0, "distinctCount": 4, "distinctIsLowerBound": false, "minLength": 3, "maxLength": 3 }, { "name": "region", "index": 4, "inferredType": "string", "confidence": 1, "observedTypes": { "empty": 0, "boolean": 0, "integer": 0, "number": 0, "date": 0, "datetime": 0, "string": 4 }, "blankCount": 0, "blankRate": 0, "distinctCount": 3, "distinctIsLowerBound": false, "minLength": 4, "maxLength": 5 }, { "name": "unit_price", "index": 5, "inferredType": "number", "confidence": 1, "observedTypes": { "empty": 0, "boolean": 0, "integer": 0, "number": 4, "date": 0, "datetime": 0, "string": 0 }, "blankCount": 0, "blankRate": 0, "distinctCount": 4, "distinctIsLowerBound": false, "minLength": 4, "maxLength": 5 }, { "name": "currency", "index": 6, "inferredType": "string", "confidence": 1, "observedTypes": { "empty": 3, "boolean": 0, "integer": 0, "number": 0, "date": 0, "datetime": 0, "string": 1 }, "blankCount": 3, "blankRate": 0.75, "distinctCount": 1, "distinctIsLowerBound": false, "minLength": 3, "maxLength": 3 }, { "name": "fulfillment_center", "index": 7, "inferredType": "string", "confidence": 1, "observedTypes": { "empty": 0, "boolean": 0, "integer": 0, "number": 0, "date": 0, "datetime": 0, "string": 4 }, "blankCount": 0, "blankRate": 0, "distinctCount": 3, "distinctIsLowerBound": false, "minLength": 4, "maxLength": 4 }, { "name": "promised_date", "index": 8, "inferredType": "date", "confidence": 1, "observedTypes": { "empty": 1, "boolean": 0, "integer": 0, "number": 0, "date": 3, "datetime": 0, "string": 0 }, "blankCount": 1, "blankRate": 0.25, "distinctCount": 3, "distinctIsLowerBound": false, "minLength": 10, "maxLength": 10 }, { "name": "notes", "index": 9, "inferredType": "string", "confidence": 1, "observedTypes": { "empty": 0, "boolean": 0, "integer": 0, "number": 0, "date": 0, "datetime": 0, "string": 4 }, "blankCount": 0, "blankRate": 0, "distinctCount": 4, "distinctIsLowerBound": false, "minLength": 9, "maxLength": 57 }, { "name": "discount_code", "index": 10, "inferredType": "string", "confidence": 1, "observedTypes": { "empty": 2, "boolean": 0, "integer": 0, "number": 0, "date": 0, "datetime": 0, "string": 2 }, "blankCount": 2, "blankRate": 0.5, "distinctCount": 2, "distinctIsLowerBound": false, "minLength": 5, "maxLength": 6 }, { "name": "source_system", "index": 11, "inferredType": "string", "confidence": 1, "observedTypes": { "empty": 0, "boolean": 0, "integer": 0, "number": 0, "date": 0, "datetime": 0, "string": 4 }, "blankCount": 0, "blankRate": 0, "distinctCount": 2, "distinctIsLowerBound": false, "minLength": 3, "maxLength": 6 } ] }, "mappings": [ { "id": "mapping-00001", "from": "customer_id", "to": "client_id", "note": "Producer says identifier semantics are unchanged; consumer must confirm." }, { "id": "mapping-00002", "from": "warehouse_code", "to": "fulfillment_center", "note": "Operational owner supplied the proposed mapping." } ], "consumers": [ { "id": "consumer-00003", "name": "Monthly finance workbook", "requiredColumns": [ "order_id", "customer_id", "order_date", "quantity", "unit_price", "currency" ], "strictOrder": true, "allowAdditionalColumns": true, "allowedTypes": { "order_id": [ "string" ], "customer_id": [ "string" ], "order_date": [ "date" ], "quantity": [ "integer" ], "unit_price": [ "number" ] }, "note": "Workbook imports fields by expected position and type." }, { "id": "consumer-00004", "name": "Warehouse label merge", "requiredColumns": [ "order_id", "warehouse_code", "promised_date", "notes" ], "strictOrder": false, "allowAdditionalColumns": false, "allowedTypes": { "order_id": [ "string" ], "warehouse_code": [ "string" ], "promised_date": [ "date" ] }, "note": "Template rejects unexpected fields." } ], "decisions": {}, "closes": [], "amendments": [], "history": [ { "id": "event-00005", "at": "2026-09-04T12:05:00.000Z", "label": "Loaded complete fictional handoff" } ], "settings": { "locale": "en-CA", "retainRawRows": false } } }