- Introduced IFruitBankEkaerService and implementation for mapping and submitting Shipping as EKÁER tradeCards
- Added IShippingToEkaerMapper and ShippingToEkaerMapper for domain-to-NAV mapping with normalization logic
- Created EkaerMappingOptions for config-driven mapping inputs
- Added unit tests for mapping logic (ShippingToEkaerMapperTests)
- Expanded EKAER_VALIDATION.md with C# validation implementation details
- Updated README.md to clarify mapping/submission flow and project boundaries
- Improved OrderClientTests assertions for nullability and clarity
- Updated settings.local.json with new dev workflow commands
