- Added a new API route to fetch JTL Kontierung data based on transaction ID.
- Implemented loading of JTL Kontierung data in the AccountingItemsManager component.
- Updated UI to display JTL Kontierung data for debugging purposes.
- Enhanced user feedback during processing tasks in the App component with tooltips and progress indicators.
- Introduced AccountingItemsManager component for managing accounting entries within transactions.
- Implemented API routes for creating, retrieving, updating, and deleting accounting items.
- Added SQL queries to handle accounting items linked to transactions, supporting both numeric and string transaction IDs.
- Enhanced CSV import functionality to include new accounting item handling.
- Created mssql.md documentation for SQL command usage related to accounting items.