- Introduce AcExpressionHelper and related classes for serializing/deserializing LINQ Expression trees and IQueryable queries to/from JSON, enabling remote transport and execution.
- Add MgGridSignalRDataSource<TDataItem, TId> for instant local filtering and background refresh in DevExpress grids using SignalR.
- Update bunit NuGet package to v2.4.2 in test projects.
- Minor: update FruitBank base URL comment, add new test in OrderClientTests.
