Update Healer Man server

src/app/onlineAccountClient.ts

@@ -38,6 +38,10 @@ class OnlineApiError extends Error {
   }
 }
 
+export function isOnlineAuthenticationError(error: unknown): boolean {
+  return error instanceof OnlineApiError && error.status === 401;
+}
+
 let activeSession: PlayerSession | null = null;
 let suppressUpload = false;
 let pendingCharacters: CharacterProfile[] | null = null;
@@ -135,11 +139,11 @@ function queueCloudSave(ownerId: string, characters: readonly CharacterProfile[]
 
 setRosterChangeListener(queueCloudSave);
 
-export function activateOnlineSession(session: PlayerSession): void {
-  if (activeSession?.ownerId !== session.ownerId && saveTimer) {
+export function activateOnlineSession(session: PlayerSession | null): void {
+  if (activeSession?.ownerId !== session?.ownerId && saveTimer) {
     clearTimeout(saveTimer); saveTimer = null; flushCloudSave();
   }
-  activeSession = session.accessToken ? session : null;
+  activeSession = session?.accessToken ? session : null;
 }
 
 export function retryCloudSave(): void {