100% of the “difference” is in the equipment (the nature of the equipment) doing the identification and measuring and not in quantum item being identified and measured.
It is a “wave” as known to a “detector” whose natural state is to identify a “wave”, and it is a particle to a “detector” whose natural state is to identify a “particle”.
In its own state, it (light) is neither while to us (because of our means of detection) it is both.
It truth the difference is not in the “property” of light but only in how it appears (to us) to behave, depending on which mode of detection is being used.
Great post—science now recognizes (at least at the theoretical level) how critical the observer is (whether human or machine).
However, they have been hesitant to think through all of the implications for metaphysics and physics.
That will be the next “big jump” in human understanding.