- Added `company_id` to `ClientProviderAddress` and `ClientProviderPrograms` for better association.
- Updated `_process_with_discharge` to simplify invoice review by removing redundant parameters.
- Improved `pre_validators` to ensure address validation checks for existence before accessing country.
- Enhanced balance comparison logic in `compare_balances` by tracking consumed quantities.
- Modified `fill_available_balances` to reflect invoice status changes from 'UNPROCESSED' to 'PENDING'.
- Introduced `get_lines_with_balance` method in `ItemService` to fetch invoice lines with available balance.
- Added new API endpoint to retrieve import invoice lines with balance information.
- Updated frontend components to display available balances and improve user experience in invoice selection.