/**
 * Spec-09 — summary report. A tool×repo matrix of pass/fail/skip with output
 * sizes, printed as a compact table and written as a JSON artifact to the
 * gitignored cache dir so a regression is diagnosable after the fact.
 */
export type RowStatus = 'pass' | 'fail' | 'skip';
export interface ReportRow {
    tool: string;
    repo: string;
    status: RowStatus;
    bytes: number;
    tokens: number;
    /** Failure reason (fail) or skip reason (skip). */
    detail?: string;
}
export interface ReportSummary {
    rows: ReportRow[];
    totals: {
        pass: number;
        fail: number;
        skip: number;
    };
    generatedFromRepos: string[];
}
export declare function summarize(rows: ReportRow[], repos: string[]): ReportSummary;
/** Print a compact, human-readable matrix. */
export declare function printReport(summary: ReportSummary): void;
/** Write the JSON report to the gitignored cache dir; returns the file path. */
export declare function writeReport(summary: ReportSummary): Promise<string>;
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