/** Durable home of a composite task node: context/projects/{project}/manager/{taskId}/ */
export declare function managerNodeDir(project: string, taskId: string): string;
/** The task-keyed manager artifact (truth layer for checkpoints — DR-0017 D2). */
export declare function taskArtifactPath(project: string, taskId: string): string;
/** Create the node dir + artifact if missing. NEVER truncates an existing artifact —
 *  a new manager incarnation must inherit the previous checkpoint (rotation/rehydration). */
export declare function ensureTaskArtifact(project: string, taskId: string): string;