The ruling on a father eating from his son's wealth

Question : Then, if it is the father, he owes nothing, because he has the right to take from his son's wealth. If it is someone else, there are two narrations: one is that he is liable to compensate for what he ate when he becomes wealthy, because it was taking for a need, so he is required to pay its value, like one in dire necessity. The second is that he owes nothing.

Answer : It is very weak. The statement that he must return what he ate when he becomes wealthy is weak, because the verse is explicit that he eats on the basis of permissibility. The second is that he owes nothing; because Allah the Exalted commanded eating and did not mention compensation, and because he was permitted to eat by right of guardianship, so he is not liable for it, like the imam's provision from the public treasury. And if he mixed the wealth in his hand