import type { DigestSnapshot } from '../database/sqlite-adapter/entries/digest.js';
export interface ReportDeliveryOptions {
    webhookUrl: string;
    webhookAuth?: string;
    contentType?: 'slack' | 'discord' | 'json';
}
export declare function validateWebhookUrl(webhookUrl: string): Promise<void>;
/**
 * Format a DigestSnapshot into a human-readable Markdown report.
 */
export declare function formatDigestReport(snapshot: DigestSnapshot, serverVersion: string): string;
/**
 * Deliver a Markdown report to a webhook via HTTP POST.
 */
export declare function deliverReport(report: string, snapshot: DigestSnapshot, options: ReportDeliveryOptions): Promise<boolean>;
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