org chart 자동로그인 보완. seed-tenant 삭제불가 조치

adminfront/src/features/tenants/utils/protectedTenants.ts

@@ -0,0 +1,19 @@
+import type { TenantSummary } from "../../../lib/adminApi";
+import { parseTenantCSV } from "./tenantCsvImport";
+// Vite ?raw import는 seed CSV를 빌드 타임 상수로 번들합니다.
+// eslint-disable-next-line import/no-unresolved
+import seedTenantCSVRaw from "../../../../seed-tenant.csv?raw";
+
+const seedTenantSlugs = new Set(
+  parseTenantCSV(seedTenantCSVRaw)
+    .map((row) => row.slug.trim().toLowerCase())
+    .filter(Boolean),
+);
+
+export function isSeedTenant(tenant: Pick<TenantSummary, "slug">): boolean {
+  return seedTenantSlugs.has(tenant.slug.trim().toLowerCase());
+}
+
+export function getSeedTenantSlugs(): string[] {
+  return Array.from(seedTenantSlugs);
+}