서브 타이틀 텍스트 렌더링 오류 수정

adminfront/src/features/integrity/DataIntegrityPage.test.tsx

@@ -102,6 +102,11 @@ describe("DataIntegrityPage", () => {
     renderPage();
 
     expect(await screen.findByText("데이터 정합성 검증")).toBeInTheDocument();
+    expect(
+      await screen.findByText(
+        "정합성 상태를 확인하고 데이터 모델 전반의 검증 결과를 살펴봅니다.",
+      ),
+    ).toBeInTheDocument();
     expect(await screen.findByText("테넌트 정합성")).toBeInTheDocument();
     expect(screen.getByText("중복 테넌트 slug")).toBeInTheDocument();
     expect(screen.getAllByText("1").length).toBeGreaterThan(0);
@@ -173,6 +178,11 @@ describe("DataIntegrityPage", () => {
     expect(
       await screen.findByText("Data Integrity Check"),
     ).toBeInTheDocument();
+    expect(
+      await screen.findByText(
+        "Review integrity status and inspect checks across the admin data model.",
+      ),
+    ).toBeInTheDocument();
     expect(await screen.findByText("Tenant integrity")).toBeInTheDocument();
     expect(await screen.findByText("Duplicate tenant slug")).toBeInTheDocument();
     expect(

adminfront/src/features/integrity/DataIntegrityPage.tsx

@@ -331,6 +331,12 @@ function DataIntegrityContent() {
           <h2 className="text-2xl font-semibold tracking-tight">
             {t("ui.admin.integrity.title", "데이터 정합성 검증")}
           </h2>
+          <p className="mt-1 text-sm text-muted-foreground">
+            {t(
+              "msg.admin.integrity.subtitle",
+              "Review integrity status and inspect checks across the admin data model.",
+            )}
+          </p>
         </div>
         <div className="flex flex-col items-end gap-1">
           <Button