/**
 * activityDigest.ts
 *
 * Gathers weekly activity signals from a user's wiki storage and generates
 * the digest markdown content and email body.
 *
 * Signals collected:
 *   - Pages created / modified (from log.md events + file listing)
 *   - Decisions made (pages tagged "decision" modified this week)
 *   - Open loops closed (pages tagged "open-loop" with status resolved)
 *   - Active tags (tags appearing in recently modified pages)
 */
import type { StorageClient } from "../storage/client.js";
import { type StalePageRow } from "../tools/stalePages.js";
export interface DigestSignals {
    weekLabel: string;
    weekRange: string;
    pagesCreated: string[];
    pagesModified: string[];
    decisionsMade: string[];
    loopsClosed: string[];
    activeTags: Array<{
        tag: string;
        count: number;
    }>;
    totalEvents: number;
    stalePages: StalePageRow[];
}
export declare function isoWeekLabel(date: Date): string;
export declare function gatherDigestSignals(drive: StorageClient, now?: Date, userId?: string): Promise<DigestSignals>;
export declare function buildDigestMarkdown(signals: DigestSignals, dateStr: string): string;
export declare function buildDigestHtml(signals: DigestSignals): string;
export declare function buildDigestText(signals: DigestSignals): string;
//# sourceMappingURL=activityDigest.d.ts.map