- NuconGoalEnv now accepts objectives/objective_weights; additive on top of the goal reward, same interface as NuconEnv - README: use UncertaintyPenalty/UncertaintyAbort correctly (via objectives and terminators, not as constructor params that don't exist) - Step 3 prose updated to reference composable callables Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>