fix: add login succeeded event to post registration hook

selfservice/flow/registration/hook.go

@@ -219,6 +219,20 @@ func (e *HookExecutor) PostRegistrationHook(w http.ResponseWriter, r *http.Reque
 		return err
 	}
 
+	e.d.Audit().
+		WithRequest(r).
+		WithField("session_id", s.ID).
+		WithField("identity_id", i.ID).
+		Info("Identity authenticated successfully and was issued an Ory Kratos Session Token.")
+
+	span.AddEvent(events.NewLoginSucceeded(r.Context(), &events.LoginSucceededOpts{
+		SessionID:   s.ID,
+		IdentityID:  i.ID,
+		FlowType:    string(registrationFlow.Type),
+		Method:      registrationFlow.Active.String(),
+		SSOProvider: provider,
+	}))
+
 	e.d.Logger().
 		WithRequest(r).
 		WithField("identity_id", i.ID).