If you use $cs_prepass and $cs_control_post
I suggest that you make sure they are set up as system topics.
If you do not, they stop working after a while.
for example, it should look something like this:
topic: ~xpost_control system ()
If you do not have them setup as system topics, it will look like it is working, but when I tested it, you will find it does not always execute and eventually it will stop executing. And you will scratch your head for a few hours trying to debug why it is not executing.
hope this helps someone.