namespace Nexus.Api.Contracts; public sealed record CreateProjectRequest(string Name, string? Description); public sealed record CreateTaskRequest(string Title, string? Priority, Guid? ProjectId); public sealed record UpdateTaskStateRequest(string State); public sealed record ChatRequest(string Message, string? ConversationId, string? AgentId); public sealed record UpdateProjectRequest(string? Name, string? Description, string? Status); public sealed record UpdateTaskRequest(string? Title, string? Priority, Guid? ProjectId);