Studio builds its sampler via FunPackHybridEuler2SSampler.get_sampler but did not pass the new rescue params. Thread rescue_mode/threshold/strength through _build_one_sampler, add them to the Studio JS hybrid defaults (high+low) and the sampler config panel, with a note that rescue needs the velocity-bias memory captured first. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>