Map Shipment Query Results to System API Response

Veridian Logistics exposes a System API that serves active shipment records to internal consumers. The Database Select returns rows in Oracle's legacy UPPERCASE_UNDERSCORE column format — your task is to map each row into a clean JSON object with correctly named fields, a formatted timestamp, and safe handling of two nullable columns. This is one of the most common transformation patterns in Mule: reshaping a raw JDBC result set before it leaves the flow.