- Added a new service function `markDeliveryNoteCompletedByInvoice` to auto-close delivery notes after successful QuickBooks invoice creation, updating the status to "completed" and appending an audit banner to the notes.
- Enhanced the delivery note detail page with a modal for creating invoices via QuickBooks, including customer selection and billing company options.
- Implemented state management for the invoice modal, including loading states and error handling for customer fetching.
- Updated tests to cover the new auto-close functionality and ensure correct behavior across various scenarios.
- Improved documentation for the delivery notes service to reflect the new functionality and its usage.
