Keep identical analysis contracts, question, engine and complete catalogs. Test common opt-in wait guidance while retaining polling and native latency in whole-task costs.

Co-authored-by: gensokyo-dev <342580529+gensokyo-dev@users.noreply.github.com>

Co-authored-by: Kaoru0822 <208281322+kaoru0822-kitauji@users.noreply.github.com>