## 1. Add cart lock validation to sell_from_showcase()
- Prevent selling showcase kits locked in another cashier's cart
- Check cart_lock_expires_at before allowing direct sales
- Return clear error message with lock holder's name and time remaining
- File: inventory/services/showcase_manager.py
## 2. Improve error handling in POS create_temp_kit_to_showcase()
- Add detailed logging for all error types (JSON, validation, generic)
- Provide user-friendly error messages instead of generic 500
- Log full context (kit name, showcase ID, items, user) for debugging
- Categorize errors: stock issues, integrity, locks, not found
- File: pos/views.py
## 3. Fix critical bug in create_temporary_kit()
- Replace non-existent is_active field with status='active'
- Affects 3 locations: kit creation, product lookup, kit duplication
- This was causing 500 errors when creating temporary kits from order edit
- File: products/services/kit_service.py
## 4. Improve error handling in create_temporary_kit_api()
- Add comprehensive logging for order creation endpoint
- Provide specific error messages for common failure scenarios
- Help diagnose issues when creating kits from order editing UI
- File: products/views/api_views.py
These changes complete the Soft Lock system and fix the 500 error issue.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
Andrey Smakotin
08a5527ba7