import { type RetryPolicy } from "@caupulican/pi-agent-core/reliability";
/**
 * Restart-durable, host-owned attempt ladder policy for delegated workers.
 *
 * The budget model has always carried `maxAttempts`, but nothing drove a second attempt: a
 * failed worker terminalized immediately and "retry" meant the orchestrator model burning a
 * turn to re-delegate blind, losing the worker's transcript. The ladder makes retry a host
 * mechanism instead: a retryable bounded failure suspends the attempt (durable, fenced) and
 * re-enqueues it through the owner scheduler after backoff, resuming from the persisted
 * conversation exactly like restart recovery does.
 *
 * Retries are deliberately evidence-gated: only failures whose recorded detail classifies as
 * transient (network, 5xx, rate limits) are retried. A missing detail or an unknown
 * classification never retries — an undiagnosed failure repeated is spend without evidence.
 */
export declare const DEFAULT_WORKER_TASK_ATTEMPTS = 2;
export declare const WORKER_TASK_RETRY_POLICY: RetryPolicy;
export type WorkerRetryDecision = {
    retry: true;
    reason: string;
    delayMs: number;
} | {
    retry: false;
    reason: string;
};
export declare function evaluateWorkerRetry(args: {
    laneStatus: string;
    reasonCode: string;
    reasonDetail?: string;
    provider: string;
    /** Restart-durable ladder retries already consumed for this attempt. */
    retriesUsed: number;
    /** Grant budget ceiling for total attempts; defaults to {@link DEFAULT_WORKER_TASK_ATTEMPTS}. */
    maxAttempts?: number;
}): WorkerRetryDecision;
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