Merge branch 'dev' into fix/rebac-env-sync-issue

adminfront/src/components/layout/AppLayout.tsx

@@ -19,7 +19,10 @@ import { useAuth } from "react-oidc-context";
 import { NavLink, Outlet, useLocation, useNavigate } from "react-router-dom";
 import { fetchMe } from "../../lib/adminApi";
 import { t } from "../../lib/i18n";
-import { shouldAttemptSlidingSessionRenew } from "../../lib/sessionSliding";
+import {
+  shouldAttemptSlidingSessionRenew,
+  shouldAttemptUnlimitedSessionRenew,
+} from "../../lib/sessionSliding";
 import LanguageSelector from "../common/LanguageSelector";
 import RoleSwitcher from "./RoleSwitcher";
 
@@ -221,6 +224,52 @@ function AppLayout() {
     isSessionExpiryEnabled,
   ]);
 
+  useEffect(() => {
+    const maybeKeepSessionAlive = async () => {
+      const now = Date.now();
+      if (
+        !shouldAttemptUnlimitedSessionRenew({
+          expiresAtSec: auth.user?.expires_at,
+          nowMs: now,
+          isEnabled: isSessionExpiryEnabled,
+          isAuthenticated: auth.isAuthenticated,
+          isLoading: auth.isLoading,
+          isRenewInFlight: isRenewInFlightRef.current,
+          lastAttemptAtMs: lastRenewAttemptAtRef.current,
+        })
+      ) {
+        return;
+      }
+
+      isRenewInFlightRef.current = true;
+      lastRenewAttemptAtRef.current = now;
+
+      try {
+        await auth.signinSilent();
+      } catch (error) {
+        console.error("세션 무제한 유지 갱신에 실패했습니다.", error);
+      } finally {
+        isRenewInFlightRef.current = false;
+      }
+    };
+
+    const timer = window.setInterval(() => {
+      void maybeKeepSessionAlive();
+    }, 30_000);
+
+    void maybeKeepSessionAlive();
+
+    return () => {
+      window.clearInterval(timer);
+    };
+  }, [
+    auth,
+    auth.isAuthenticated,
+    auth.isLoading,
+    auth.user?.expires_at,
+    isSessionExpiryEnabled,
+  ]);
+
   useEffect(() => {
     const routeKey = `${location.pathname}${location.search}${location.hash}`;
     if (lastVisitedRouteRef.current === null) {