fix: Cielo gender/pushiness/proactive, first-contact greeting, empty-reply guard

feat: Cielo persistent message history — cielo_messages table, recommendations linked to outcomes

feat: Cielo remembers Italian question — profile-based triggers, cielo_user_state table

adding Cielo

dialogue for Camus and Shophenauer

refactor: systematic rename of all modules + SQL reorganisation

refactor: reorganise character assets into subfolders + content menu injection