I'd suggest just calling the category Q/C or Quit and Continue due to the fact that Q/C works regardless of difficulty.

If Q/C becomes its own category you'd also need to make a category for Escape, One Weapon, and All weapon modes as well as each can also use Q/C to lower IGT. Also to the whole segmenting thing, the reason all 12 were done at the beginning was so only 1.5 seconds (an easily consistent 1.5 seconds) would be segmented.

I feel a variable option makes the most sense, if you don't like Q/C then just check the variable that says "No Q/C" and then filter to hide QC runs if they turn your stomach so much. If you don't wish to be inconvenienced by resets then by all means just don't tick the Q/C box and run as normal. The exact same logic can be used for both SH2 and SH3 QS/QL but its okay there for "reasons" whereas Q/C can be done on any platform and is done at the very start (1.5 seconds in, immediately past the first cutscene.)

Anyway, that's just my two cents. Toodles.