using StellaOps.Graph.Api.Contracts; namespace StellaOps.Graph.Api.Services; public record GraphExportJob(string JobId, string Tenant, string Format, string ContentType, byte[] Payload, string Sha256, long SizeBytes, DateTimeOffset CompletedAt); public interface IGraphExportService { Task StartExportAsync(string tenant, GraphExportRequest request, CancellationToken ct = default); GraphExportJob? Get(string jobId); }