Can the mitzvah of oneg Shabbat be considered fulfilled when the Shabbat enjoyment came through an inadvertent transgression?

This source-based Torah study examines the question: Can the mitzvah of oneg Shabbat be considered fulfilled when the Shabbat enjoyment came through an inadvertent transgression? The canonical Hebrew article develops the issue through the weekly Torah portion and the sources cited there. This localized discovery layer preserves the question and the source identity; it does not add any new halakhic, medical, legal, scientific, historical, theological, or empirical ruling or claim beyond the canonical Hebrew source.