I've developed a CC script that babysits a Draconic Reactor so you don't have to
Script: Enzo-Nunes/drmon
Context
Back in the golden days of Draconic Evolution on Minecraft 1.7.10, there was a script called drmon developed to help players manage their Draconic Reactors. It was a great tool, but it was left without any updates for several years. The code still lives in the acidjazz/drmon repository.
About 8 years after, a fork of that script was made and the code was modernized to work with Draconic Evolution on Minecraft 1.12.2, and it also included a couple new features. The code for that fork lives in the RaithSphere/drmon repository.
Neither version automated the temperature control of the reactor, requiring the player to recurrently tweak the output gauge to keep the reactor efficient. With the release of Draconic Evolution on Minecraft 1.21.1 on 2025/2026, this project, a fork of the more recent RaithSphere/drmon repository, was created to fill that gap.
Follow the instructions in the repo and the only thing you will have to worry about is refueling the reactor once every million years (jk my guess is about every ~30 hours or so). In summary, the script reads the reactor's live state, adjusts the two flux gates to hold a target field strength and a target temperature, and shuts it down before fuel, field strength, or temperature cross into dangerous territory.
Hope it helps!