实现客户端登录七天滑动续期

需求：解决短效访问令牌到期后客户端一小时掉登录的问题。

实现：由 Electron Main 加密管理并轮换刷新凭据，按真实用户活动续期，七天闲置后清理会话，并补齐并发、迁移和终态回归测试。

electron/image-workspace/module.ts

@@ -22,6 +22,11 @@ export type DesignWorkspaceEventSubscriptionInput = {
   afterEventId?: string;
 };
 
+export type CloseEventSessionsOptions = {
+  accessToken?: string;
+  tolerateRemoteFailure?: boolean;
+};
+
 export class DesignWorkspaceModuleError extends Error {
   readonly status: number;
   readonly code: string;
@@ -47,7 +52,7 @@ export interface DesignWorkspaceModule {
   openWorkspaceEvents?(
     input: DesignWorkspaceEventSubscriptionInput,
   ): Promise<DesignWorkspaceEventSubscription>;
-  closeEventSessions?(): Promise<void>;
+  closeEventSessions?(options?: CloseEventSessionsOptions): Promise<void>;
   openAssetContent(workspaceId: string, assetId: string, range?: string): Promise<Response>;
   reset?(): Promise<DesignWorkspaceBootstrap>;
 }