- Order product CRUD in admin panel (add, delete, edit quantity/prices)
- AJAX product search endpoint for order edit form
- Automatic stock adjustment when editing order products
- Transport cost recalculation based on free delivery threshold
- Fix: promo price = 0 when equal to base price (no real promotion)
- Clean up stale temp/ build artifacts
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
