RK-A2

Autofill in chat interface is turning out to be ugly and not really useful. Please remove this.

Replace "Type 'y' if you are ready" with "Click on <'Yes' button> if you are ready".
Replace "Shall we go over the answer step by step (y/n)?" with "Shall we go over the answer step by step? <'Yes' button> <'No' button>".
Replace "If you want to skip answering, please type 'skip'." with "If you want to skip answering, please click on <'Skip' button>."

Append equivalent response after user clicks on the confirmation button.