JsonSerializerOptions.ReferenceHandler = ReferenceHandler.Preserve

Expedience.Api/Program.cs

@@ -4,6 +4,7 @@ using Expedience.Api.Encryption;
 using MassTransit;
 using Microsoft.EntityFrameworkCore;
 using Expedience.Infrastructure.Concurrency;
+using System.Text.Json.Serialization;
 
 var builder = WebApplication.CreateBuilder(args);
 
@@ -11,7 +12,12 @@ var connectionString = builder.Configuration.GetConnectionString("Expedience");
 builder.Services.AddDbContext<ExpedienceContext>(options =>
     options.UseNpgsql(connectionString).UseLowerCaseNamingConvention());
 
-builder.Services.AddControllers();
+builder.Services.AddControllers().AddJsonOptions(options =>
+{
+    options.JsonSerializerOptions.ReferenceHandler = ReferenceHandler.Preserve;
+    options.JsonSerializerOptions.WriteIndented = true; // Optional: for pretty printing
+});
+
 
 builder.Services.AddEndpointsApiExplorer();
 builder.Services.AddSwaggerGen();