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It’s incorrect words. That’s why you aren’t getting the response you want. OP wants to be able to step on a hot switch… engaging a Delays feedback. ”warping” has nothing to do with a Timeline or the Eventide. Just a catch phrase they got caught up it.
Calling it a ‘warp’ function might be a leftover from the confusingly named Boss DD-20 modes.
I took this as the OP is looking for an additional function for the per-Preset Active / Bypass switches: Tap for Act/Byp, and hold the switch to kick in infinite repeat. Which isn’t possible, and I don’t believe there to be a direct workaround for it.
I can think of a couple of ways to simulate it. Probably involving alternate Program Changes, or MIX + Feedback mapped to a HotSwitch; with two closely related delay instances in Parallel, that sort of thing. But I do think the closest answer is still going to involve the aforementioned Performance parameters, REPEAT (M), or some combination of HotSwitch mappings.