פירוש על שבת 50:1

Candle Lighting on Shabbat is obligatory. i.e. in the place of the Seudah, because there is an obligation to feast near the candles because of Oneg...(translation needs completion)

Obligation - This is included in "honoring Shabbat" (Kevod Shabbat), for a feast is not important unless it is in a place where it is as bright as day, as mentioned in the last chapter of Yoma (75b)

Washing hands and feet - in the evening, Shabbat night