export declare const COMPARISON_SNAPSHOT_PATHS: string[];
export type ComparisonCandidate = {
    candidateId: string;
    label: string;
    root: string;
    concept: string;
    previewUrl?: string;
    sourceHash: string;
    buildHash: string;
    previewReady: boolean;
    missingRoutes: string[];
};
export type ComparisonManifest = {
    version: 2;
    mode: "calibration" | "design-selection";
    revision: string;
    runId?: string;
    createdAt: string;
    hash: string;
    candidates: ComparisonCandidate[];
    labels?: Record<string, string>;
};
export type SectionRecord = {
    sectionId: string;
    semanticRole?: string;
    component?: string;
    screenshotAnchor?: string;
    factIds: string[];
    assetIds: string[];
    action?: {
        label: string;
        destination: string;
        behavior: string;
    } | null;
};
export type SectionIndex = {
    candidateId: string;
    buildHash: string;
    routes: {
        path: string;
        purpose?: string;
        sections: SectionRecord[];
        missing?: boolean;
    }[];
};
export declare function snapshotTree(root: string, dest: string, paths: string[]): void;
export declare function buildSectionIndex(root: string, candidateId: string): SectionIndex;
export declare function snapshotCandidates(opts: {
    runId: string;
    revision: string;
    dest: string;
    sites: {
        candidateId: string;
        label: string;
        root: string;
        concept: string;
        previewReady: boolean;
        previewUrl?: string;
    }[];
}): ComparisonManifest;
export declare function loadComparison(dest: string): ComparisonManifest;
export declare function loadSectionIndexes(dest: string, comparison: ComparisonManifest): Record<string, SectionIndex>;
export declare function resolveDisplayLabel(comparison: ComparisonManifest, value: string): string | undefined;