Added a-frame-architecture usiung wolverine sample.

wolverine/a-frame-architecture/FinancialApi/DomainExceptionHandler.cs

@@ -0,0 +1,33 @@
+using FinancialApi.Domain.Exceptions;
+using Microsoft.AspNetCore.Diagnostics;
+using Microsoft.AspNetCore.Mvc;
+
+namespace FinancialApi;
+
+public class DomainExceptionHandler : IExceptionHandler
+{
+    public async ValueTask<bool> TryHandleAsync(
+        HttpContext httpContext,
+        Exception exception,
+        CancellationToken cancellationToken
+    )
+    {
+        if (exception is not (InvalidOperationException or ArgumentException or GaapViolationException))
+        {
+            return false;
+        }
+
+        var problemDetails = new ProblemDetails
+        {
+            Status = StatusCodes.Status400BadRequest,
+            Title = "Domain Validation Error",
+            Detail = exception.Message,
+            Type = "https://datatracker.ietf.org/doc/html/rfc7231#section-6.5.1"
+        };
+
+        httpContext.Response.StatusCode = problemDetails.Status.Value;
+        await httpContext.Response.WriteAsJsonAsync(problemDetails, cancellationToken);
+
+        return true;
+    }
+}