export type TaskStatus = "idle" | "permission_required" | "starting" | "running" | "verifying" | "completed" | "failed";
export type TaskStepStatus = "pending" | "running" | "done" | "skipped";
export interface TaskStep {
    id: string;
    label: string;
    status: TaskStepStatus;
    /** 0..1 progress for in-flight steps. */
    progress?: number;
}