Can a Kohen fulfill the mitzvah of the Priestly Blessing through the principle of shomea ke-oneh, hearing being equivalent to responding?

This source-based Torah study examines the question: Can a Kohen fulfill the mitzvah of the Priestly Blessing through the principle of shomea ke-oneh, hearing being equivalent to responding? The canonical Hebrew discussion develops the issue through the weekly Torah portion and the sources cited there, preserving the distinctions, tensions, and practical implications of the original text. This localized discovery layer does not add any new halakhic, medical, legal, scientific, historical, theological, or empirical ruling or claim beyond the canonical Hebrew source.