- Implemented ProformaDuplicator service for duplicating proforma documents.
- Added tests for duplicating proformas, including scenarios for successful duplication, audit failure propagation, and payment term adaptations.
- Created ProformaStatusChanger service to handle status changes of proformas with corresponding tests.
- Developed ProformaArchiver service for unarchiving proformas and added tests to verify functionality.
- Introduced a test fixture for creating proforma instances for testing purposes.
