import type { AgentHistoryRecord } from "@/types";
/**
 * Formats agent history records into a human-readable markdown transcript.
 * When isForeground is false, labels are "System Message"/"Agent" instead of "User"/"Assistant".
 *
 * Expects: records are in chronological order from a single session.
 */
export declare function formatHistoryMessages(records: AgentHistoryRecord[], isForeground?: boolean): string;
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