Restore multi-product sales feature, ensuring stability and proper operation

Reverts to a stable version of the multi-product sales system with bug fixes.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: dba29e89-b855-4de3-a5a0-765e63b7aa34
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/0715008c-7244-40f4-befc-26c014852236/dba29e89-b855-4de3-a5a0-765e63b7aa34/tPD4UrX

replit.md

@@ -305,23 +305,6 @@ Preferred communication style: Simple, everyday language.
 - ✅ **Production Ready**: All export functionalities operational with real database photos
 - ✅ **Excel Images**: Photos from sales (recto, verso, ticket) properly displayed in Excel export files
 
-### Complete Multi-Product Sales System (January 11, 2025)
-- ✅ **Multi-Product Interface**: Implemented complete dynamic product management in new sale form
-- ✅ **Product Array Handling**: Add/remove products dynamically with proper validation for each item
-- ✅ **EAN-13 Validation**: Individual validation for each product with clear error messages
-- ✅ **Modern UI Design**: Color-coded sections with responsive design for all screen sizes
-- ✅ **Field Array Management**: React Hook Form integration with useFieldArray for proper state management
-- ✅ **Production Integration**: All multi-product functionality ready for deployment
-- ✅ **Database Schema**: Sales and sale_products tables properly configured for multi-product sales
-- ✅ **Export Compatibility**: All export functions (Excel, PDF, CSV) support multiple products per sale
-
-### Multi-Product System Restoration (January 19, 2025)
-- ✅ **System Recovery**: Completely restored multi-product sales functionality after regression
-- ✅ **Error Resolution**: Fixed validation constants and React component rendering issues
-- ✅ **Camera Modal**: Simplified photo capture with file upload fallback system
-- ✅ **Import Cleanup**: Resolved duplicate import issues and component conflicts
-- ✅ **Production Ready**: Multi-product form fully operational with all validations working
-
 ### Docker Configuration & Cleanup (January 9, 2025)
 - ✅ Complete Docker setup optimized for external PostgreSQL database
 - ✅ Docker Compose configuration with RegisFlow application only