/**
 * Tool Description Banner — embeds live task status into tool descriptions.
 *
 * When the orchestrating LLM re-fetches the tool list (via
 * notifications/tools/list_changed), the description for respond-task,
 * message-task, and cancel-task includes a compact status footer showing
 * running/completed/question-pending tasks.
 *
 * Hard cap: 500 chars max for the banner to stay within tool description limits.
 */
import type { TaskState } from '../task/task-state.js';
/**
 * Build a compact status banner for message-task and cancel-task descriptions.
 * Shows: running count, recently completed tasks, tasks needing answers.
 * Returns '' when nothing to report.
 */
export declare function buildStatusBanner(allTasks: TaskState[]): string;
/**
 * Build a status banner specifically for respond-task.
 * Focuses on tasks with pending questions, showing question text and answer format.
 * Returns '' when no questions are pending.
 */
export declare function buildRespondBanner(allTasks: TaskState[]): string;