Nice one! And I very much appreciate the breakdown . I do have an issue open to allow adding explainers to clues in crosshare - if that's something you'd be interested in feel free to track / comment here: https://github.com/mdirolf/crosshare/issues/201
Obviously not a true time(Solved on paper). 17 across excellent cluing. In 16D did you use BESEIGED as an indicator for a container for Kentucky (KY). I interpreted it as an indicator for an anagram, and if so, YK would be more apt. Thanks for a really enjoyable solve.