/**
 * fix-setup — Steps 2-6 of the hula.fix workflow.
 * Invoked as: `hula script fix-setup -- <issue-number> [--repo-root <path>]`
 *
 * Performs: issue lookup → worktree creation → session file writing.
 * Emits structured JSON to stdout; all other output goes to stderr.
 * Exit codes: 0=success, 1=user error, 2=tool error.
 *
 * Node port of `hula-fix-setup.sh` (cross-platform: no bash, no jq).
 */
export declare function main(args: string[]): Promise<number>;
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