/**
 * The source role: a Codex home becomes a list of sessions, and one session becomes the
 * canonical vocabulary. Every result body is dropped (FR-24) and every reasoning trace is
 * ignored (FR-28, C-4).
 */
import type { CanonicalSession, CanonicalTurn, SessionDescriptor } from "./contract.js";
import type { CodexSessionMeta } from "./rollout.js";
export interface CodexRollout {
    filePath: string;
    meta: CodexSessionMeta | null;
    turns: CanonicalTurn[];
    /** Entries of a type this module does not understand. Codex drops them in silence (C-6). */
    skippedEntries: number;
    startedAt: string | null;
    updatedAt: string | null;
    title: string;
    changedPaths: string[];
    truncated: boolean;
}
export declare class CodexRolloutUnreadableError extends Error {
    constructor(filePath: string);
}
/** Lenient: a file cut mid-entry still yields whatever parsed, with `truncated` set. */
export declare function scanRollout(filePath: string): Promise<CodexRollout>;
/** Strict: FR-51's "unreadable" answer. */
export declare function readRollout(filePath: string): Promise<CodexRollout>;
export declare function listCodexSessions(home: string): Promise<SessionDescriptor[]>;
export declare function loadCodexSession(descriptor: SessionDescriptor): Promise<CanonicalSession>;