- Added a new route for reverting invoices in the A76 module.
- Updated the pre_validators to provide clearer error messages when processing invoices.
- Enhanced the PDF progress dialog to support step-by-step progress tracking for both invoice processing and reverting.
- Introduced a confirmation dialog for reverting invoices in the dashboard.
- Updated frontend components to handle the new revert functionality and display appropriate progress messages.
- Introduced new routes for processing invoices in the router.
- Added `InvoiceStatus` enum to manage invoice states.
- Enhanced `InvoiceHeader` and `InvoiceFinancials` models with new fields for status tracking and total packages.
- Updated schemas to include new fields for invoice processing.
- Implemented API methods for processing invoices and checking process status in the frontend.
- Removed outdated validation files related to invoice processing.
