widget). const authPoll = setInterval(function () { if (typeof WOU_OCLC_Auth === 'undefined') return; const stored = WOU_OCLC_Auth.getStoredSession(); if (stored && stored.sessionId) { clearInterval(authPoll); onAuthenticated(stored.sessionId); } }, 200); // Immediate check in case auth is already resolved on page load. if (typeof WOU_OCLC_Auth !== 'undefined') { const stored = WOU_OCLC_Auth.getStoredSession(); if (stored && stored.sessionId) { clearInterval(authPoll); onAuthenticated(stored.sessionId); } } });