OptionaldelayOptionalphrasesPhrase pool used by "random_phrase" (and as few-shots for contextual).
OptionalprobabilityProbability in [0, 1] that any given turn gets interrupted. Default 0.3.
Optionalstrategy"contextual" uses an LLM; "random_phrase" picks from phrases.
Inclusive low/high seconds to wait before injecting the interruption.