Your idea certainly is an improvement, but I feel if we’re going to fix it, we should actually fix it.
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Saving templates still means you have to make your templates. It reduces the painful process to a one-time deal. The linked idea reduces it to a no-time deal.
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The data inaccuracy is a result of your trained abilities - I don’t think it ever reaches 100% accuracy. It’s an intended flaw.
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Kind of the same as #1, a template, but if you just had one node with a slider for “intensity” along with duration, it would save many clicks.