/** Display-only account-scoped summary. Official sessions remain the source of running/pending state. */
export declare const HARNESS_ACTIVITY_ATTRIBUTE = "data-arkme-harness-activity";
export declare const HARNESS_ACTIVITY_EVENT = "arkme:harness-activity";
export interface HarnessActivityItem {
    id: string;
    title: string;
}
export interface HarnessActivity {
    scope: string;
    /** The native selection is also the destination of the Arkme entry. Null means a new conversation. */
    current?: HarnessActivityItem | null;
    /** Latest real root conversation by native activity time, independent of selection. */
    recent?: HarnessActivityItem;
    running: HarnessActivityItem[];
    unread: HarnessActivityItem[];
    pending: HarnessActivityItem[];
}
export interface ActivitySession {
    id: string;
    displayTitle: string;
    running: boolean;
    origin?: string;
    parentId?: string;
    blank?: boolean;
    completed?: boolean;
    pendingInteraction?: string;
    updatedAt?: number;
}
export interface ActivityList {
    phase: string;
    ids: readonly string[];
    byId: Readonly<Record<string, ActivitySession>>;
    current?: string | undefined;
}
export type PendingInteractions = ReadonlyMap<string, {
    kind: string;
}>;
type StorageFace = Pick<Storage, 'getItem' | 'setItem'>;
/** Only unread reminder ids are local; no copied sessions, histories or execution states. */
export declare class HarnessActivityTracker {
    readonly scope: string;
    private readonly storage?;
    private unread;
    private previous;
    private readonly key;
    private persisted;
    constructor(scope: string, storage?: StorageFace | undefined);
    update(list: ActivityList, archived: readonly string[], pending: PendingInteractions | undefined, visibleSession?: string): HarnessActivity;
}
export declare function parseHarnessActivity(raw: string | null, scope: string | undefined): HarnessActivity | undefined;
export {};
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