feat(admin): add org chart bulk import button to main tenants list page (#500)

adminfront/src/features/tenants/routes/TenantListPage.tsx

@@ -13,6 +13,7 @@ import {
   CardHeader,
   CardTitle,
 } from "../../../components/ui/card";
+import { OrgChartUploadModal } from "../components/OrgChartUploadModal";
 import {
   Table,
   TableBody,
@@ -100,6 +101,9 @@ function TenantListPage() {
 
   const tenants = query.data?.items ?? [];
 
+  // [New] Find a primary COMPANY_GROUP tenant to act as the root for matrix org charts
+  const rootTenant = tenants.find((t) => t.type === "COMPANY_GROUP") || tenants[0];
+
   const handleDelete = (tenantId: string, tenantName: string) => {
     if (
       !window.confirm(
@@ -130,6 +134,16 @@ function TenantListPage() {
           </p>
         </div>
         <div className="flex items-center gap-2">
+          {/* [New] Add Upload Modal to global list page, visible to Super Admin */}
+          <RoleGuard roles={["super_admin"]}>
+            {rootTenant && (
+              <OrgChartUploadModal
+                tenantId={rootTenant.id}
+                onSuccess={() => query.refetch()}
+              />
+            )}
+          </RoleGuard>
+
           <Button
             variant="outline"
             onClick={() => query.refetch()}