Removed all references to DbModel configuration from Program.cs and RecApplicationTestBase.cs. Deleted appsettings.DbModel.json, eliminating custom entity and column mapping definitions. The application no longer loads or uses DbModel configuration from JSON.
Added options.ConfigureDbModel to the AddRecServices configuration, enabling Rec services to use settings from the "DbModel" section of the app configuration for enhanced database model customization.
Added ConfigureSqlException methods to DependencyInjection for flexible SQL exception handling configuration. Updated RecApplicationTestBase to use new options. Bumped DigitalData.Core.Exceptions to v1.1.1.
Added ReC.Tests project with integration tests for stored procedure commands and queries via MediatR, covering endpoints, actions, results, and profiles. Introduced a test base for DI/configuration, helper for private property access, and updated the solution to include the new test suite. Tests use NUnit and cover both positive and negative scenarios.
