- Added detailed request context to all MergeDocumentException messages
- Clarified conversion error message from "converted to PDF/A" to "converted to byte"
- Removed unused base64 conversion and redundant variable assignment
- Improved code readability and string concatenation formatting
- Removed MergeDocuments static method; integrated merge process directly in Handle()
- Added null check for request.Report before merging
- Cleaned up redundant return and improved flow for memory stream handling
- Added DevExpress.XtraReports using directive
- Clarified comment and exception messages for PDF loading and merging
