In the list of traits, change the expressions:

The Lifeform gains one additional Feeding attempt per week.

or

The Lifeform may make one additional Feeding attempt per week.

wherever they occur, to:

Feeding costs one less Energy to this Lifeform than listed in rule “Energy”. This can result in a negative cost, which means the Lifeform gains as much Energy when Feeding as it is the negative cost, capped to eir maximum energy value.

Add to rule Feeding:

A Lifeform may not atempt to Feed more than often.

Change the effect of the Trait Hibernation, so it reads:

If the Lifeform has not spent any Energy today, e may gain 1 Nutrition. After using this effect, the Lifeform doing so can not spend any Energy for the rest of the day.

Adjusting the texts to the new way of tracking actions (Energy).