HIPAA-Compliant Patient Data Anonymization Pipeline

Design a Node.js data transformation script that automatically sanitizes patient records by removing personally identifiable information (PII) while preserving critical medical data. Create a robust anonymization process using regex and cryptographic hashing that meets HIPAA compliance standards. The script should handle JSON and CSV input, support multiple data sources, and generate audit logs tracking all transformations. Include error handling for different data inconsistencies and implement configurable anonymization rules.