diff --git a/README.md b/README.md
index 4e6f08b1..a3deb270 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,9 @@ so typically a hand-written user interface will be chosen over a generic machine
 These panes are used in the Data Browser - see mashlib
 [https://github.com/linkeddata/mashlib](https://github.com/linkeddata/mashlib)
 
+When panes are hosted through mashlib and use solid-logic authentication, ensure the refresh worker is served same-origin. The worker export and runtime override contract are documented in solid-logic:
+https://github.com/solidos/solid-logic#worker-asset-and-runtime-configuration
+
 Currently the panes available include:
 
 - A default pane which lists the properties of any object
diff --git a/dev/loader.ts b/dev/loader.ts
index 6636a2f5..fb843e80 100644
--- a/dev/loader.ts
+++ b/dev/loader.ts
@@ -130,22 +130,22 @@ window.onload = async () => {
   // registerPanes((cjsOrEsModule: any) => paneRegistry.register(cjsOrEsModule.default || cjsOrEsModule))
   const contactsPane = await import('contacts-pane')
   paneRegistry.register((contactsPane as any).default || contactsPane)
-  await authSession.handleIncomingRedirect({
-    restorePreviousSession: true
-  })
-  const session = await authSession
-  if (!session.info.isLoggedIn) {
+  await solidLogicSingleton.authn.checkUser()
+  const session = authSession
+  const isLoggedIn = session?.info?.isLoggedIn ?? session?.isActive ?? Boolean(session?.webId)
+  if (!isLoggedIn) {
     console.log('The user is not logged in')
     const loginBanner = document.getElementById('loginBanner');
     if (loginBanner) {
       loginBanner.innerHTML = '<button onclick="login()">Log in</button>';
     }
     } else {
-      console.log(`Logged in as ${session.info.webId}`)
+      const loggedWebId = session?.info?.webId || session?.webId
+      console.log(`Logged in as ${loggedWebId}`)
     
     const loginBanner = document.getElementById('loginBanner');
     if (loginBanner) {
-      loginBanner.innerHTML = `Logged in as ${session.info.webId} <button onclick="logout()">Log out</button>`;
+      loginBanner.innerHTML = `Logged in as ${loggedWebId} <button onclick="logout()">Log out</button>`;
     }
   }
   addLayoutButtons()
@@ -156,8 +156,9 @@ window.logout = () => {
   window.location.href = ''
 }
 window.login = async function () {
-  const session = await authSession
-  if (!session.info.isLoggedIn) {
+  const session = authSession
+  const isLoggedIn = session?.info?.isLoggedIn ?? session?.isActive ?? Boolean(session?.webId)
+  if (!isLoggedIn) {
     const issuer = prompt('Please enter an issuer URI', 'https://solidcommunity.net')
     if (issuer) {
       await authSession.login({
diff --git a/jest.config.mjs b/jest.config.mjs
index 7d1c1632..5e114e41 100644
--- a/jest.config.mjs
+++ b/jest.config.mjs
@@ -1,3 +1,12 @@
+import { existsSync } from 'node:fs'
+import path from 'node:path'
+import { fileURLToPath } from 'node:url'
+
+const __filename = fileURLToPath(import.meta.url)
+const __dirname = path.dirname(__filename)
+const localSolidLogicIndex = path.resolve(__dirname, '../solid-logic/src/index.ts')
+const useLocalSolidLogic = existsSync(localSolidLogicIndex)
+
 export default {
   collectCoverage: true,
   coverageDirectory: 'coverage',
@@ -19,7 +28,11 @@ export default {
     '\\.svg\\?raw$': '<rootDir>/test/__mocks__/fileMock.js',
     '\\.(svg)$': '<rootDir>/test/__mocks__/fileMock.js',
     '\\.(png|jpe?g|gif|webp|avif)$': '<rootDir>/test/__mocks__/fileMock.js',
-    '\\.css$': '<rootDir>/test/__mocks__/styleMock.js'
+    '\\.css$': '<rootDir>/test/__mocks__/styleMock.js',
+    ...(useLocalSolidLogic ? { '^solid-logic$': localSolidLogicIndex } : {}),
+    '^@uvdsl/solid-oidc-client-browser$': '<rootDir>/test/mocks/solid-oidc-client-browser.ts',
+    '^@uvdsl/solid-oidc-client-browser/core$': '<rootDir>/test/mocks/solid-oidc-client-browser.ts',
+    '^solid-oidc-client-browser$': '<rootDir>/test/mocks/solid-oidc-client-browser.ts'
   },
   setupFilesAfterEnv: ['./test/helpers/setup.ts'],
   testMatch: ['**/?(*.)+(spec|test).[tj]s?(x)'],
diff --git a/src/mainPage/header.ts b/src/mainPage/header.ts
index f6546e7f..b525c268 100644
--- a/src/mainPage/header.ts
+++ b/src/mainPage/header.ts
@@ -38,6 +38,33 @@ export const HELP_MENU_LIST = [
 ]
 
 const HEADER_MOBILE_STYLE_ID = 'solid-ui-header-mobile-style'
+let authRefreshInFlight: Promise<void> | null = null
+
+async function ensureAuthUserResolved (): Promise<void> {
+  if (authn.currentUser()) return
+  if (authRefreshInFlight) {
+    await authRefreshInFlight
+    return
+  }
+
+  authRefreshInFlight = (async () => {
+    try {
+      await authn.checkUser()
+      // Some auth stacks resolve session state asynchronously after first check.
+      if (!authn.currentUser()) {
+        await authn.checkUser()
+      }
+    } catch (_err) {
+      // Keep header rendering resilient when auth refresh fails.
+    }
+  })()
+
+  try {
+    await authRefreshInFlight
+  } finally {
+    authRefreshInFlight = null
+  }
+}
 
 type ManagedHeader = Header & {
   __solidPanesListenersAttached?: boolean
@@ -139,6 +166,7 @@ function attachHeaderListeners (header: ManagedHeader) {
 
 export async function refreshHeader (outliner: OutlineManager, headerElement?: Header) {
   ensureMobileHeaderStyles()
+  await ensureAuthUserResolved()
   const headerOptions = setHeaderOptions(outliner)
   const header = headerElement || document.querySelector('solid-ui-header') as Header | null
   if (!header) return null
diff --git a/src/mainPage/menu.ts b/src/mainPage/menu.ts
index b43be7a4..a6261f11 100644
--- a/src/mainPage/menu.ts
+++ b/src/mainPage/menu.ts
@@ -59,7 +59,11 @@ const applyMenuCollapsedState = (navMenu: HTMLElement | null): void => {
   updateCollapseButtonPosition(navMenu, collapseBtn)
 }
 
-const isLoggedIn = (): boolean => Boolean(authSession?.info?.isLoggedIn)
+// Compatibility: solid-logic Session shape differs across stacks (info.isLoggedIn vs isActive/webId).
+const isLoggedIn = (): boolean => {
+  const sessionAny = authSession as any
+  return Boolean(sessionAny?.info?.isLoggedIn ?? sessionAny?.isActive ?? sessionAny?.webId)
+}
 
 const setFooterVisibility = (loggedIn: boolean): void => {
   const footer = document.querySelector('solid-ui-footer') as HTMLElement | null
diff --git a/test/mocks/solid-oidc-client-browser.ts b/test/mocks/solid-oidc-client-browser.ts
new file mode 100644
index 00000000..7e883922
--- /dev/null
+++ b/test/mocks/solid-oidc-client-browser.ts
@@ -0,0 +1,59 @@
+type Listener = (...args: any[]) => void
+
+class EventEmitterLike {
+  private listeners: Record<string, Listener[]> = {}
+
+  on (event: string, listener: Listener): void {
+    const list = this.listeners[event] || []
+    list.push(listener)
+    this.listeners[event] = list
+  }
+
+  emit (event: string, ...args: any[]): void {
+    const list = this.listeners[event] || []
+    list.forEach(listener => listener(...args))
+  }
+}
+
+export class Session {
+  info: { webId?: string, isLoggedIn: boolean } = { isLoggedIn: false }
+  webId?: string
+  isActive = false
+  events = new EventEmitterLike()
+
+  addEventListener (event: string, listener: Listener): void {
+    this.events.on(event, listener)
+  }
+
+  async handleIncomingRedirect (): Promise<void> {
+
+  }
+
+  async handleRedirectFromLogin (): Promise<void> {
+
+  }
+
+  async restore (): Promise<void> {
+
+  }
+
+  async login (): Promise<void> {
+
+  }
+
+  async logout (): Promise<void> {
+    this.info = { isLoggedIn: false }
+    this.webId = undefined
+    this.isActive = false
+  }
+
+  fetch (input: RequestInfo | URL, init?: RequestInit): Promise<Response> {
+    return globalThis.fetch(input, init)
+  }
+
+  authFetch (input: RequestInfo | URL, init?: RequestInit): Promise<Response> {
+    return globalThis.fetch(input, init)
+  }
+}
+
+export class SessionCore extends Session {}