I get the building the system from scratch is good for learning the system and I’ve done it myself but this just feels like bad development, why not make it a simple script that you can choose to run or you know just make it part of the update itself like literally everyone else in the world.

To say otherwise would be to admit your story has no need for aliens.

You left your WRT open?

I jest but you should be using OPNsense, OpenWRT is so old and OPNsense has many more features.