/**
 * update_task tool
 *
 * Agent tool to update a task's status.
 * Auto-sets started_at when transitioning to "in_progress".
 * Auto-sets finish_at when transitioning to "done", "failed", or "removed".
 *
 * Used by: mission-orchestrator skill
 */
import { TaskStatus } from "../state.js";
export interface UpdateTaskParams {
    task_id: string;
    status: TaskStatus;
}
export interface UpdateTaskResult {
    success: boolean;
    message: string;
    taskId: string | null;
    phaseId: string | null;
    previousStatus: TaskStatus | null;
    newStatus: TaskStatus | null;
    startedAt: string | null;
    finishAt: string | null;
    errors: string[];
}
/**
 * Update a task's status in the active mission run
 *
 * @param params.task_id - ID of the task to update (e.g., "phase1-task1")
 * @param params.status - New status ("pending" | "in_progress" | "done" | "failed" | "removed")
 * @returns Result with updated task info
 */
export declare function updateTask(params: UpdateTaskParams): UpdateTaskResult;
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