export declare const STATUS_EVENTS_REL_PATH = "agent-state/STATUS_EVENTS.ndjson";
export type StatusEventStatus = "started" | "in_progress" | "pass" | "fail" | "blocked" | "done";
export interface AppendStatusEventInput {
    source_module: string;
    event_type: string;
    status: StatusEventStatus;
    summary: string;
    payload?: Record<string, unknown>;
    trace_id?: string;
    objective_id?: string;
    decision_id?: string;
}
export interface StatusEventRecord {
    schema_version: "1.0.0";
    event_id: string;
    trace_id: string;
    timestamp: string;
    source_module: string;
    event_type: string;
    status: StatusEventStatus;
    objective_id?: string;
    decision_id?: string;
    payload: Record<string, unknown>;
}
export declare function appendStatusEvent(input: AppendStatusEventInput): {
    path: string;
    event: StatusEventRecord;
};
/**
 * Concurrency-safe variant of appendStatusEvent.
 * Use this from async tool handlers where parallel subagents may fire.
 */
export declare function appendStatusEventSafe(input: AppendStatusEventInput): Promise<{
    path: string;
    event: StatusEventRecord;
}>;
export declare function readStatusEvents(limit?: number): StatusEventRecord[];
export declare function getStatusEventsPath(): string;
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