Just quoting Reverie lvl designer Joseph from the Suggestions forum, the information fits this thread as well:
Originally Posted by Joseph Visscher
There’s already is AI built into the workers of dof for gathering resources, so there won’t be to much micromanagement, for your workers; it should be farley easy, it’s not going to be like tasking your workers on every single tree, they will go to the next nearest tree on their own. Lol.
But it will still be upto you on how many do what, I do not believe we will have AI that will automaticly move lets say 10 workers logging wood to go mine some gold if your running out of gold.