/**
 * API-level transcript summary types (on-disk format is pi-coding-agent JSONL + `sessions.json`).
 */
import type { TranscriptStoredRow } from './session-context-for-llm.js';
export declare const XOPC_SESSION_TRANSCRIPT_TYPE: "xopc_session_transcript";
export declare const CURRENT_SESSION_TRANSCRIPT_VERSION = 1;
/** Record appended when context compaction runs (mirrors pi `CompactionEntry` audit fields). */
export interface TranscriptCompactionRecord {
    at: string;
    summary: string;
    firstKeptIndex: number;
    tokensBefore: number;
    tokensAfter: number;
}
/** Synthetic document shape returned by {@link SessionStore.loadTranscriptDocument} for API parity. */
export interface XopcSessionTranscriptV1 {
    type: typeof XOPC_SESSION_TRANSCRIPT_TYPE;
    version: number;
    id: string;
    createdAt: string;
    updatedAt: string;
    messages: TranscriptStoredRow[];
    compactions?: TranscriptCompactionRecord[];
}
