fix: resolve build errors and fix member count synchronization issues in bulk/org-chart import

backend/internal/service/org_chart_service.go

@@ -139,6 +139,17 @@ func (s *orgChartService) ImportCSV(ctx context.Context, tenantID string, r io.R
 				Action:    domain.KetoOutboxActionCreate,
 			})
 
+			// [New] Also add as member of the root Tenant (for tenant-level member count)
+			if leafID != tenantID {
+				_ = s.ketoOutboxRepo.Create(ctx, &domain.KetoOutbox{
+					Namespace: "Tenant",
+					Object:    tenantID,
+					Relation:  "members",
+					Subject:   "User:" + kratosID,
+					Action:    domain.KetoOutboxActionCreate,
+				})
+			}
+
 			// Add as owner if applicable
 			if isOwner {
 				_ = s.ketoOutboxRepo.Create(ctx, &domain.KetoOutbox{