Timing: after. Generate many candidates, keep the best.
- computer: best-of-n, ensembling, a tournament
- social: the market, elections, peer review
In vibe-linter a multi-worktree node gives this for free (run N agents in isolated worktrees, pick the winner) — so it composes with isolation. Half of modern ML training (6+7: AlphaZero) lives here.
Up: control-methods