fix: display recursive member count in TenantListPage

- Replace raw memberCount with recursiveMemberCount calculated via buildTenantFullTree to correctly aggregate member counts for parent tenants (e.g., 'hanmac-family') that only contain members in their sub-tenants.

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

@@ -61,6 +61,7 @@ import {
   serializeTenantImportCSV,
 } from "../utils/tenantCsvImport";
 import { isSeedTenant } from "../utils/protectedTenants";
+import { buildTenantFullTree, type TenantNode } from "../../../lib/tenantTree";
 
 const tenantCSVTemplate =
   "name,type,parent_tenant_slug,slug,memo,email_domain\n";
@@ -211,8 +212,25 @@ function TenantListPage() {
       : null;
 
   const allTenants = query.data?.items ?? [];
+  const tenantsWithRecursiveCount = React.useMemo(() => {
+    // Build tree to calculate recursiveMemberCount, but we map it back to a flat array for the table
+    const { subTree } = buildTenantFullTree(allTenants);
+
+    const flatMap = new Map<string, TenantNode>();
+    const flatten = (nodes: TenantNode[]) => {
+      for (const node of nodes) {
+        flatMap.set(node.id, node);
+        flatten(node.children);
+      }
+    };
+    flatten(subTree);
+
+    // Map back to allTenants ensuring recursiveMemberCount is present
+    return allTenants.map((t) => flatMap.get(t.id) ?? { ...t, children: [], recursiveMemberCount: t.memberCount || 0 });
+  }, [allTenants]);
+
   const tenants = React.useMemo(() => {
-    let filtered = allTenants;
+    let filtered = tenantsWithRecursiveCount;
     if (search.trim()) {
       const term = search.toLowerCase();
       filtered = filtered.filter(
@@ -232,7 +250,7 @@ function TenantListPage() {
       if (valA > valB) return sortOrder === "asc" ? 1 : -1;
       return 0;
     });
-  }, [allTenants, search, sortKey, sortOrder]);
+  }, [tenantsWithRecursiveCount, search, sortKey, sortOrder]);
 
   const deletableTenants = React.useMemo(
     () => tenants.filter((tenant) => !isSeedTenant(tenant)),
@@ -701,9 +719,8 @@ function TenantListPage() {
                         </Badge>
                       </TableCell>
                       <TableCell className="font-medium">
-                        {tenant.memberCount}
-                      </TableCell>
-                      <TableCell className="text-xs">
+                        {(tenant as unknown as TenantNode).recursiveMemberCount ?? tenant.memberCount}
+                      </TableCell>                      <TableCell className="text-xs">
                         {tenant.updatedAt
                           ? new Date(tenant.updatedAt).toLocaleString("ko-KR")
                           : "-"}