# Services

Application services including authentication, grid data source prototyping, and LINQ expression tree serialization for SignalR/HTTP transport.

## Key Files

- **`AcGridDataSource.cs`** -- Commented-out prototype of a `GridCustomDataSource` wrapping an `AcSignalRDataSource` with OData-style filtering. Not currently active; the working implementation lives in `Components/Grids/MgGridSignalRDataSource.cs`.

## Subfolders

- **`Logins/`** -- Web authentication service.
- **`ExpressionHelpers/`** -- LINQ expression tree serialization and deserialization to JSON for transport over SignalR or HTTP.