Halacha is plain and clear about shabbos + yom tov, we do not say sholom aleichem nor eishes chayil. IIRC we do say the last part of Modeh Ani.
Where in Halacha is reciting Shalom Aleichem and Aishes Chayil on Shabbos and Yom Tov mentioned let alone being “plain and clear?” Please give sources.