/**
 * Atomic report artifact naming, writing, and orphan pruning.
 *
 * The composition layer supplies rendered HTML and retained Run identities;
 * this module owns filesystem effects and path-safe artifact names.
 */
import type { Logger } from '@opensip-cli/core';
/**
 * Fixed safe filename for a run-addressed report artifact.
 * Domain-separated SHA-256 of the opaque Run ID — never path-interpolated.
 */
export declare function runAddressedReportFilename(runId: string): string;
/**
 * Delete run-addressed report HTML whose Run is no longer retained.
 * Uncertainty preserves the file; only exact orphan digests are removed.
 */
export declare function pruneOrphanRunAddressedReports(reportsDir: string, retainedRunIds: readonly string[]): number;
/** Atomically publish one HTML report under the current runtime lock policy. */
export declare function writeReportHtml(reportPath: string, html: string, input: {
    readonly logger: Logger;
    readonly runId?: string;
    readonly projectRoot?: string;
}): void;
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