The technique I'm following is: If it's easier to explain it to an LLM, have the LLM do it. If it's easier to do it myself, I do it.

This is useful when iterating on UI, where I need to make a few minor changes; or when I need to "explore" to understand how a query or data model needs to work.

Otherwise, I don't need to dedicate a day to doing things by hand; I just do a few things by hand every day.