Can survive the 0th step and up to the first serious rebuild with the current setup and feeback switched on.

Force an emergency re-sorting of all the star particles below a given super cell when star formation happens.

Create the star related tasks in the extra hydro-loop creation function with a dependency on the SF task.

Add a (temporary) optional parameter to the YAML file to impose a smoothing length value to all stars.

Clarify the possible temperature discrepancy between the entropy floor and the actual gas temperature in the RTD.