What is the ruling if a husband secluded himself with his wife (khulwah) before consummation and stated, 'I will not touch her,' and she believed him?

Primary text

If seclusion (khulwah) occurs, and the husband makes such a declaration and the wife believes him, she is entitled to inheritance, must observe the waiting period prescribed for death (idda al-wafah), and is entitled to the full dower. This is because seclusion is considered sufficient to establish these rulings.