diff --git a/devfront/src/features/clients/ClientRelationsPage.tsx b/devfront/src/features/clients/ClientRelationsPage.tsx
index c3d21d4b..3d0c32dc 100644
--- a/devfront/src/features/clients/ClientRelationsPage.tsx
+++ b/devfront/src/features/clients/ClientRelationsPage.tsx
@@ -35,6 +35,7 @@ import {
 } from "../../lib/devApi";
 import { t } from "../../lib/i18n";
 import { resolveProfileRole } from "../../lib/role";
+import { fetchMe } from "../auth/authApi";
 import { ClientDetailTabs } from "./ClientDetailTabs";
 
 const relationOptions = [
@@ -91,6 +92,13 @@ function ClientRelationsPage() {
   const systemRole = resolveProfileRole(
     auth.user?.profile as Record<string, unknown> | undefined,
   );
+  const hasAccessToken = Boolean(auth.user?.access_token);
+  const { data: me } = useQuery({
+    queryKey: ["userMe"],
+    queryFn: fetchMe,
+    enabled: hasAccessToken,
+  });
+  const resolvedSystemRole = me?.role?.trim() || systemRole;
 
   const { data: clientData } = useQuery({
     queryKey: ["client", clientId],
@@ -109,7 +117,7 @@ function ClientRelationsPage() {
   });
 
   // Calculate permissions for UI hints and button states
-  const isSuperAdmin = systemRole === "super_admin";
+  const isSuperAdmin = resolvedSystemRole === "super_admin";
   const myUserId = auth.user?.profile.sub;
   const isRpAdmin = useMemo(() => {
     if (isSuperAdmin) return true;
diff --git a/devfront/tests/devfront-relationships.spec.ts b/devfront/tests/devfront-relationships.spec.ts
index f1414d2a..1882c621 100644
--- a/devfront/tests/devfront-relationships.spec.ts
+++ b/devfront/tests/devfront-relationships.spec.ts
@@ -96,4 +96,49 @@ test.describe("DevFront relationships", () => {
       )
       .toBe(1);
   });
+
+  test("super_admin can add RP relationships even when profile role is missing", async ({
+    page,
+  }) => {
+    await seedAuth(page);
+    await page.evaluate(() => {
+      window.localStorage.setItem("dev_role", "super_admin");
+    });
+
+    const state = {
+      clients: [makeClient("client-rel", { name: "Relations app" })],
+      consents: [] as Consent[],
+      users: [
+        {
+          id: "user-2",
+          name: "홍길동",
+          email: "hong@example.com",
+          loginId: "hong01",
+        },
+      ],
+      relations: {
+        "client-rel": [
+          {
+            relation: "admins",
+            subject: "User:playwright-user",
+            subjectType: "User",
+            subjectId: "playwright-user",
+            userName: "Playwright User",
+            userEmail: "playwright@example.com",
+          },
+        ] satisfies ClientRelation[],
+      },
+      auditLogsByCursor: undefined,
+    };
+    await installDevApiMock(page, state);
+
+    await page.goto("/clients/client-rel/relationships");
+    await expect(page.getByText("클라이언트 관계")).toBeVisible();
+
+    await page.getByLabel(/^사용자$/).fill("홍길동");
+    await page.getByRole("button", { name: /홍길동/ }).click();
+    await page.getByLabel(/시크릿 재발급/).check();
+
+    await expect(page.getByRole("button", { name: /^추가$/ })).toBeEnabled();
+  });
 });