- Added GenerateEkaerXmlDocument to service and interface for EKÁER tradeCard XML generation and validation from ShippingDocument.
- Extended IShippingToEkaerMapper to support document-level mapping.
- Updated controller and SignalR client/interfaces with new methods and tags for EKÁER XML and EkaerHistory creation.
- Formatted Created/Modified columns in Blazor grids.
- Added tests for EkaerHistory creation, XML generation, and idempotency.
- Improved null-safety and argument validation in mapping logic.
- Introduced `EkaerHistory` entity with status enum and new properties for EKÁER declaration lifecycle tracking.
- Added CRUD methods for `EkaerHistory` in controller interface and SignalR client.
- Implemented `GridEkaerHistory` and `GridEkaerDetail` components for displaying EKÁER records and trade card details.
- Enhanced `TradeCardItemType` with `IId<int>` for grid compatibility.
- Improved AcSignalRDataSource to skip server refresh for tagless/local data sources.
- Updated settings to include .NET 9 runtime install commands.