Thanks! I'm still working on my tag wrangling spreadsheet (kinda doing it in short spurts when I find time and energy). However, I did some testing on a copy of my full AO3 library so I can catch all the tags (5K+ books) and that works brilliantly (admittedly, I initially made some booboos like using js_tag_string_replacement_rules instead of js_tag_rules).
Again,

very much!