fix: add details to the response

api/v1/utils.go

@@ -40,6 +40,7 @@ func statusCodeFromError(err error) (code int, response ErrorResponse) {
 	case *importer.JobSourceResult:
 		response.Detail = err.(*importer.JobSourceResult).Log
 	default:
+		response.Detail = err.Error()
 		switch err {
 		case ErrNotFlowJSUpload:
 			code = http.StatusConflict