/**
 * spm_improve — Improviser tool.
 *
 * Stateless: takes the document + expectations + clarification answers,
 * calls the improviser agent, returns improved document content.
 *
 * Use after spm_evaluate confirms gaps are sufficiently covered.
 * The improviser generates paste-ready content for each gap, grounded in
 * the original document and the PM's clarification answers.
 */
export interface ImproveInput {
    document: string;
    nano_app_id: string;
    main_expectation: string;
    sub_expectation: string;
    all_sub_expectations?: string;
    prior_clarifications: Array<{
        question: string;
        answer: string;
    }>;
    current_content?: string;
}
export declare function handleImprove(input: ImproveInput, apiKey?: string): Promise<unknown>;