/** `.omp/handoffs` under the project root. */
export declare function handoffsDir(cwd: string): string;
/** Active-index file (active handoffs only). */
export declare function handoffIndexPath(cwd: string): string;
/**
 * Path to a single handoff markdown artifact.
 * Callers MUST validate `id` with `assertValidHandoffId` first.
 */
export declare function handoffFilePath(cwd: string, id: string): string;
/** Legacy JSON path from v0.26.0 (read-compat only). */
export declare function handoffLegacyJsonPath(cwd: string, id: string): string;