fix(t233): add redacted ERP diagnostics

backend-api/internal/transport/webui/preflight_error_test.go

@@ -25,3 +25,21 @@ func TestMapFreightPreflightErrorUsesStablePublicErrors(t *testing.T) {
 		}
 	}
 }
+
+func TestMapFreightCreateErrorPreservesPreflightErrors(t *testing.T) {
+	for _, testCase := range []struct {
+		err  error
+		want error
+	}{
+		{domain.ErrFreightSourceOCRInvalid, ErrOCRServiceInvalid},
+		{domain.ErrFreightSourceNotConfigured, ErrERPNotConfigured},
+		{domain.ErrFreightSourceLoginRejected, ErrERPLoginRejected},
+		{domain.ErrFreightSourceProtocol, ErrERPProtocol},
+		{domain.ErrFreightSourceUnavailable, ErrERPUnavailable},
+	} {
+		actual := mapFreightCreateError(testCase.err)
+		if !errors.Is(actual, testCase.want) || !errors.Is(actual, testCase.err) {
+			t.Fatalf("mapFreightCreateError(%v) = %v", testCase.err, actual)
+		}
+	}
+}

backend-api/internal/transport/webui/usecase_adapter.go

@@ -379,14 +379,18 @@ func (adapter *UsecaseAdapter) CreateFreightSync(
 		)
 	}
 	if err != nil {
-		if errors.Is(err, domain.ErrFreightSourceOCRInvalid) {
-			return FreightSync{}, &adapterError{public: ErrOCRServiceInvalid, cause: err}
-		}
-		return FreightSync{}, mapUsecaseError(err)
+		return FreightSync{}, mapFreightCreateError(err)
 	}
 	return freightSyncFrom(result.Run), nil
 }
 
+func mapFreightCreateError(err error) error {
+	if mapped := mapFreightPreflightError(err); mapped != nil {
+		return mapped
+	}
+	return mapUsecaseError(err)
+}
+
 func (adapter *UsecaseAdapter) GetFreightWatermark(
 	ctx context.Context,
 ) (*FreightWatermark, error) {