Tired of boring nuclear reactor building guidelines? Try something new: Build as dense as you wish in green pickup range of a roboport. Embrace the freedom!

When spent uranium fuel cells accumulate to a full stack in a nuclear fission reactor, spills to ground for bots to pickup the mess.
Then a new stack of fresh fuel gets requested.

Update 1.2.0: Now removes full stacks of spoilage from labs too.

Optional chat message. Very minor impact on performance (0.25 milliseconds once every 30 seconds).