export type StudySpec = {
    candidate: string;
    path: string;
};
export type StudyRenderCheck = {
    candidate: string;
    path: string;
    width: number;
    screenshot: string;
    screenshotHash: string;
    failures: string[];
};
/** Unique screenshot stem from a confined study HTML path (onboarding/studies/…). */
export declare function studyScreenshotId(path: string): string;
/** Readable stems; colliding sanitized names get a short hash of the exact normalized relative path. */
export declare function studyScreenshotIds(paths: string[]): Map<string, string>;
export declare function renderStudySources(opts: {
    root: string;
    outputRoot?: string;
    studies: StudySpec[];
    copyPaths?: string[];
    screenshotDir?: string;
    reportPath?: string;
    subjectHash: string;
}): Promise<{
    checks: StudyRenderCheck[];
}>;