/**
 * The real CommandRunner: executes catalog commands through the shell,
 * from a fixed repository root (the project being worked on — or, during
 * a bootstrap, the target project). Output is captured as ONE stream in
 * arrival order (stdout and stderr interleaved, the way a terminal shows
 * it), because the failure-judgment prompts read it the same way a
 * person would.
 */
import type { CommandRunner } from "./commands.js";
export declare function shellCommandRunner(repoRoot: string): CommandRunner;