gridsuite · ghazwarhili · Jun 8, 2026 · Jun 8, 2026 · Jun 16, 2026 · Jun 16, 2026
diff --git a/index.html b/index.html
@@ -17,6 +17,6 @@
     <body class="singlestretch-parent singlestretch-child">
         <noscript>You need to enable JavaScript to run this app.</noscript>
         <div id="root" class="singlestretch-parent singlestretch-child"></div>
-        <script type="module" src="/src/index.jsx"></script>
+        <script type="module" src="/src/index.tsx"></script>
     </body>
 </html>
diff --git a/src/components/parameters-tabs.tsx b/src/components/parameters-tabs.tsx
@@ -96,7 +96,11 @@
 const ParametersTabs: FunctionComponent = () => {
     const dispatch = useDispatch();
     const attemptedLeaveParametersTabIndex = useSelector((state: AppState) => state.attemptedLeaveParametersTabIndex);
-    const user = useSelector((state: AppState) => state.user);
+    const userProfile = useSelector(
+        (state: AppState) => state.user?.profile ?? null,
+        (a, b) =>
+            a === b || (a?.sub === b?.sub && a?.name === b?.name && a?.email === b?.email && a?.profile === b?.profile)
+    );
     const studyUuid = useSelector((state: AppState) => state.studyUuid);
     const currentNode = useSelector((state: AppState) => state.currentTreeNode ?? null);
     const currentNodeUuid = useSelector((state: AppState) => state.currentTreeNode?.id ?? null);
@@ -147,7 +151,7 @@
     }, [computationStatus, shortCircuitOneBusStatus, tabValue]);
 
     const loadFlowParametersBackend = useParametersBackend(
-        user,
+        userProfile,
         studyUuid,
         ComputingType.LOAD_FLOW,
         OptionalServicesStatus.Up,
@@ -162,7 +166,7 @@
     useParametersNotification(ComputingType.LOAD_FLOW, OptionalServicesStatus.Up, loadFlowParametersBackend);
 
     const securityAnalysisParametersBackend = useParametersBackend(
-        user,
+        userProfile,
         studyUuid,
         ComputingType.SECURITY_ANALYSIS,
         securityAnalysisAvailability,
@@ -192,7 +196,7 @@
     );
 
     const sensitivityAnalysisBackend = useParametersBackend(
-        user,
+        userProfile,
         studyUuid,
         ComputingType.SENSITIVITY_ANALYSIS,
         sensitivityAnalysisAvailability,
@@ -208,7 +212,7 @@
     );
 
     const shortCircuitParametersBackend = useParametersBackend(
-        user,
+        userProfile,
         studyUuid,
         ComputingType.SHORT_CIRCUIT,
         shortCircuitAvailability,
@@ -221,7 +225,7 @@
     useParametersNotification(ComputingType.SHORT_CIRCUIT, shortCircuitAvailability, shortCircuitParametersBackend);
 
     const dynamicSimulationParametersBackend = useParametersBackend(
-        user,
+        userProfile,
         studyUuid,
         ComputingType.DYNAMIC_SIMULATION,
         dynamicSimulationAvailability,
@@ -238,7 +242,7 @@
     );
 
     const dynamicSecurityAnalysisParametersBackend = useParametersBackend(
-        user,
+        userProfile,
         studyUuid,
         ComputingType.DYNAMIC_SECURITY_ANALYSIS,
         dynamicSecurityAnalysisAvailability,
@@ -255,7 +259,7 @@
     );
 
     const dynamicMarginCalculationParametersBackend = useParametersBackend(
-        user,
+        userProfile,
         studyUuid,
         ComputingType.DYNAMIC_MARGIN_CALCULATION,
         dynamicMarginCalculationAvailability,
@@ -444,7 +448,7 @@
                     <NetworkVisualizationParametersInline
                         studyUuid={studyUuid}
                         setHaveDirtyFields={setDirtyFields}
-                        user={user}
+                        userProfile={userProfile}
                         parameters={networkVisualizationsParameters}
                     />
                 );
@@ -467,7 +471,7 @@
         currentNode?.type,
         shortCircuitParametersBackend,
         pccMinParameters,
-        user,
+        userProfile,
         dynamicSimulationParametersBackend,
         dynamicSecurityAnalysisParametersBackend,
         dynamicMarginCalculationParametersBackend,

diff --git a/src/components/silent-renew-app.tsx b/src/components/silent-renew-app.tsx
@@ -0,0 +1,42 @@
+/**
+ * Copyright (c) 2026, RTE (http://www.rte-france.com)
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+import { useCallback, useEffect, useState } from 'react';
+import type { UserManager } from 'oidc-client-ts';
+import {
+    handleSilentRenewCallback,
+    initializeAuthenticationProd,
+    SilentRenewCallbackHandler,
+} from '@gridsuite/commons-ui';
+import { getCachedIdpSettings } from 'services/utils';
+
+export default function SilentRenewApp() {
+    const [userManager, setUserManager] = useState<UserManager | null>(null);
+
+    useEffect(() => {
+        initializeAuthenticationProd(
+            () => undefined /* dispatch: unused when isSilentRenew=true */,
+            true /* isSilentRenew */,
+            getCachedIdpSettings /* reads the cache instead of fetching idpSettings.json */,
+            false /* isSigningCallback */
+        )
+            .then(setUserManager)
+            .catch((e) => console.error('Silent renew init failed:', e));
+    }, []);
+
+    const handleSilentRenewCallbackClosure = useCallback(() => {
+        if (userManager) {
+            handleSilentRenewCallback(userManager);
+        }
+    }, [userManager]);
+
+    return (
+        <SilentRenewCallbackHandler
+            userManager={userManager}
+            handleSilentRenewCallback={handleSilentRenewCallbackClosure}
+        />
+    );
+}
diff --git a/src/index.jsx b/src/index.jsx
diff --git a/src/index.tsx b/src/index.tsx
@@ -0,0 +1,27 @@
+/**
+ * Copyright (c) 2020, RTE (http://www.rte-france.com)
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+import { createRoot } from 'react-dom/client';
+import SilentRenewApp from './components/silent-renew-app';
+
+const container = document.getElementById('root');
+const root = createRoot(container!);
+
+async function renderApp() {
+    if (window.location.pathname.endsWith('/silent-renew-callback')) {
+        root.render(<SilentRenewApp />);
+        return;
+    }
+    await import('core-js/es/array/flat-map');
+    await import('typeface-roboto');
+    await import('@xyflow/react/dist/base.css');
+    await import('./index.css');
+    await import('./configure-yup-init');
+    const { default: AppWrapper } = await import('./components/app-wrapper');
+    root.render(<AppWrapper />);
+}
+renderApp().catch((error) => console.error(error));
diff --git a/src/services/utils.ts b/src/services/utils.ts
@@ -4,7 +4,7 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
-import { catchErrorHandler, fetchStudyMetadata, StudyMetadata } from '@gridsuite/commons-ui';
+import { catchErrorHandler, fetchStudyMetadata, IdpSettings, StudyMetadata } from '@gridsuite/commons-ui';
 export const FetchStatus = {
     SUCCEED: 'SUCCEED',
     FAILED: 'FAILED',
@@ -13,7 +13,7 @@ export const FetchStatus = {
 };
 
 export const MAX_INT32: number = 2147483647;
-
+const IDP_SETTINGS_CACHE_KEY = 'gridsuite-idp-settings';
 type DefaultParameters = StudyMetadata['defaultParametersValues'];
 export const getWsBase = () => document.baseURI.replace(/^http:\/\//, 'ws://').replace(/^https:\/\//, 'wss://');
 
@@ -49,8 +49,29 @@ function fetchEnv() {
     return fetch('env.json').then((res) => res.json());
 }
 
-export function fetchIdpSettings() {
-    return fetch('idpSettings.json').then((res) => res.json());
+// Always hits the network: picks up config changes on each full app load
+// AND refreshes the cache read by the silent-renew iframe.
+export function fetchIdpSettings(): Promise<IdpSettings> {
+    return fetch('idpSettings.json')
+        .then((res) => res.json())
+        .then((settings: IdpSettings) => {
+            localStorage.setItem(IDP_SETTINGS_CACHE_KEY, JSON.stringify(settings));
+            return settings;
+        });
+}
+
+// Used only on the silent-renew path: reads the cache (no network),
+// falls back to a real fetch if the cache is missing/corrupted.
+export function getCachedIdpSettings(): Promise<IdpSettings> {
+    const cached = localStorage.getItem(IDP_SETTINGS_CACHE_KEY);
+    if (cached) {
+        try {
+            return Promise.resolve(JSON.parse(cached) as IdpSettings);
+        } catch {
+            // corrupted cache -> fall back to a fresh fetch
+        }
+    }
+    return fetchIdpSettings();
 }
 
 export function fetchVersion() {

diff --git a/src/vite-env.d.ts b/src/vite-env.d.ts
@@ -7,3 +7,5 @@
 
 /// <reference types="vite-plugin-svgr/client" />
 /// <reference types="vite/client" />
+declare module 'typeface-roboto';
+declare module 'core-js/es/array/flat-map';