Mutation operators: take an [AgentConfig] and produce a varied "challenger".
Each generation, [MutatorPicker] chooses ONE mutator probabilistically and
applies it. The result differs from the parent in exactly one axis.
Mutation operators: take an [AgentConfig] and produce a varied "challenger".
Each generation, [MutatorPicker] chooses ONE mutator probabilistically and
applies it. The result differs from the parent in exactly one axis.