> Can the suspects lie?

Right now, the suspects will never lie, but the killer will avoid revealing "too much".

> Is the rating at the end based on minimum numbed of clues required, or just on total number of clues used?

The number of clues used. The mysteries are generated with a variable number of clues, so it is still an open question how the score should be adjusted.

> Is the rating impacted by number of available choices when i guessed?

Yes.

> Can we have wordle-bot analyze our play at the end and tell us how we did?

What do you mean exactly with this?