For the Entry Point project, we have in fact made tweaks to the scripts of some of the TSS custom elements, in essence creating our own versions, and we will post these
in the TSS custom elements topic after EP is released so that everyone (who owns the TSS full version) can use them. We're aware of the potential issues with having multiple versions of these scripts running around, but still consider it to be worth doing -- for one thing, some of the changes we want to make are such obvious fixes that other authors would probably do them anyway, so multiple versions are inescapable
That said, I'm not sure that making baby lemmings respond to decoys/stalwarts/timeclones is a great idea. I can see the motivation -- lemmings aren't, strictly speaking, a "
helper"
element, but a monster that behaves like one, and most monsters are fooled by decoys etc. But decoys can't rotate, and stalwarts make their own decisions, so in effect you'd have a helper you can only sometimes control, depending on precise distance; that sounds like a recipe for extremely fiddly rooms.
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50th Skywatcher