export type LedgerVerdict = 'pending' | 'accepted' | 'rejected';
export interface LedgerEntry {
    child: string;
    kind: 'completed' | 'blocked';
    delivered_at: string;
    verdict: LedgerVerdict;
    verdict_at: string | null;
    verdict_note: string | null;
    rework_round: number;
}
export interface AcceptanceLedger {
    parent: string;
    project: string;
    children: Record<string, LedgerEntry>;
}
export declare function ledgerPath(project: string, taskId: string): string;
/** Read the ledger for a task node. Missing or corrupt file degrades to an empty ledger
 *  (fail-open: worst case a result is re-delivered, never lost). */
export declare function readLedger(project: string, taskId: string): AcceptanceLedger;
/** Record that a child result is being delivered to the parent task's manager.
 *  Returns false — meaning "do NOT deliver" — iff the child is already 'accepted'
 *  (cross-incarnation dedupe). A 'rejected' entry re-opens to 'pending' (the child
 *  completed again after rework), preserving its rework_round. */
export declare function recordDelivered(project: string, taskId: string, childId: string, kind: 'completed' | 'blocked'): Promise<boolean>;
/** Record the manager's acceptance verdict for a delivered child. 'rejected' increments
 *  rework_round (the child is expected to be reworked and re-delivered). Upserts when
 *  the entry is missing (e.g. a verdict recorded for a delivery that predates the ledger). */
export declare function recordVerdict(project: string, taskId: string, childId: string, verdict: 'accepted' | 'rejected', note?: string | null): void;
/** Entries delivered but not yet accepted/rejected — the rehydration prompt's
 *  "pending acceptance" list (DR-0017 W3). */
export declare function pendingDeliveries(project: string, taskId: string): LedgerEntry[];