- Introduced `AuditDumpRequestHandler` to handle `AuditDumpRequestMessage` with transactional safety.
- Added custom exceptions `AuditDumpTooMuchLines` and `AuditDumpAlreadyGeneratedException` for enhanced error reporting during processing.
- Created unit tests in `AuditDumpRequestHandlerTest` to validate normal processing, exception handling, and edge cases.
- Implemented locking mechanism and state management for `StoredObject` while processing requests.