/** Sweep attempts allowed before the bridge stops re-waking the task itself. */
export declare const AUTO_RUN_SWEEP_CAP = 3;
/** Backoff before sweep attempt N+1 (20m, 40m, 80m - then the cap applies). */
export declare const AUTO_RUN_BACKOFF_MS: number[];
/**
 * Whether the sweep may attempt this task now. `exhausted` is true once the
 * cap is reached: the caller should skip the task entirely (and say so once).
 */
export declare function sweepGate(agentId: string, taskId: string): {
    attempts: number;
    nextAt: number;
    exhausted: boolean;
};
/** Records a sweep attempt and returns the backoff applied to the next one. */
export declare function recordSweepAttempt(agentId: string, taskId: string): {
    attempts: number;
    nextAt: number;
    exhausted: boolean;
};
/** Forgets the retry history for a task (resumed, stopped, or off the list). */
export declare function clearSweepAttempts(agentId: string, taskId: string): void;
/** Drops ledger entries for tasks that are no longer stranded. */
export declare function gcSweepAttempts(liveKeys: Set<string>): void;