orgfront 코드 체크 추가, 백엔드 기준 강화

orgfront/src/features/orgchart/routes/OrgChartPage.tsx

@@ -1132,7 +1132,7 @@ function getLeafMembershipSlugs(
   });
 }
 
-function buildUsersMap(
+export function buildUsersMap(
   users: UserSummary[],
   rootNodes: TenantNode[],
   options: { activeOnly: boolean },
@@ -1146,6 +1146,7 @@ function buildUsersMap(
 
     const slugs = new Set<string>();
     const primarySlug = user.tenantSlug?.toLowerCase() || "";
+    const legacyCompanySlug = user.companyCode?.toLowerCase() || "";
     if (
       primarySlug &&
       !isSystemGlobalTenant({
@@ -1157,6 +1158,17 @@ function buildUsersMap(
     ) {
       slugs.add(primarySlug);
     }
+    if (
+      legacyCompanySlug &&
+      !isSystemGlobalTenant({
+        id: legacyCompanySlug,
+        slug: legacyCompanySlug,
+        type: legacyCompanySlug,
+        name: legacyCompanySlug,
+      })
+    ) {
+      slugs.add(legacyCompanySlug);
+    }
     if (user.tenant?.slug && !isSystemGlobalTenant(user.tenant)) {
       slugs.add(user.tenant.slug.toLowerCase());
     }