- Added comprehensive discount detection logic in hasAnyDiscount()
- Created extractDiscountInfo() to handle multiple data sources
- Updated all discount rendering functions to use new extraction logic
- Enhanced support for manual anticipos and applied discounts
- Improved fallback detection using subtotal vs monto differences
- Added Material Symbols icons to action buttons in table
- Fixed discount display issues in PNG receipt generation
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
