import type { ContextSnapshot, InsightCandidate, ProactiveInsight } from './types.js';
export interface ClaimedRun {
    id: string;
    batchId: string;
    subscriptionId: string;
    scenarioKey: string;
    scenarioVersion: number;
    promptRevisionId?: string;
    attempt: number;
}
export declare function claimNextRun(owner: string, now?: Date, leaseSeconds?: number): ClaimedRun | null;
export declare function eventIdsForBatch(batchId: string): string[];
export declare function saveSnapshot(batchId: string, content: Record<string, unknown>, evidenceIds: string[], now?: Date): ContextSnapshot;
export declare function attachSnapshot(runId: string, snapshotId: string): void;
export declare function finishRun(input: {
    run: ClaimedRun;
    candidate?: InsightCandidate;
    valueScore?: number;
    rawOutput: string;
    modelRef?: string;
}, now?: Date): ProactiveInsight | null;
export declare function failRun(run: ClaimedRun, error: unknown, retryable: boolean, now?: Date): void;
export declare function listInsights(limit?: number): ProactiveInsight[];