RP scope 설정에 offline_access 안내 추가

devfront/src/features/clients/ClientGeneralPage.claims.test.tsx

@@ -450,6 +450,46 @@ describe("ClientGeneralPage RP claims", () => {
     expect(scopeInputs.some((input) => input.value === "old_claim")).toBe(true);
   });
 
+  it("shows the offline_access guide in the scopes section and expands its details", async () => {
+    const { container } = await renderPage();
+
+    expect(container.textContent).toContain(
+      "Refresh token 사용 시 offline_access scope가 필요합니다.",
+    );
+    expect(container.textContent).toContain(
+      "scope 목록에 offline_access를 포함하고",
+    );
+
+    const guideToggleButton = Array.from(
+      container.querySelectorAll("button"),
+    ).find((button) =>
+      (button.getAttribute("aria-label") ?? "").includes(
+        "offline_access 상세 안내 보기",
+      ),
+    );
+    expect(guideToggleButton).toBeDefined();
+
+    await act(async () => {
+      guideToggleButton?.dispatchEvent(
+        new MouseEvent("click", { bubbles: true }),
+      );
+    });
+    await flush();
+
+    expect(container.textContent).toContain(
+      "Hydra 기준으로 refresh token 발급 조건",
+    );
+    expect(container.textContent).toContain(
+      "authorization request scope에 offline 또는 offline_access 포함",
+    );
+    expect(container.textContent).toContain(
+      "consent accept의 granted_scope에 offline 또는 offline_access 포함",
+    );
+    expect(container.textContent).toContain(
+      "client grant_types에 refresh_token 포함",
+    );
+  });
+
   it("blocks saving a number RP claim default value that is not numeric", async () => {
     const { container } = await renderPage();