When you're using the WebUI, pretty much every change you make is saved automatically.
When you're using the CLI, there is an explicit "save config" step.
Which means, if you're trying to track configuration changes, you need to take a different approach.
The boot configuration is in /config/active.
If you want to see if this is changed at all, you should probably grab this periodically and diff it.
That should be pretty trivial.
If you want to see if the RUNNING configuration is different than the SAVED configuration, it's a bit more complicated.
The tool that will give you output that more closely matches what's in /config/active is a tool called dbget and it's described here: How to use dbget and dbset on Gaia OS
As far as I know, even with dbget, you can't dump the entire running config, only specific entries or specific trees.
However, using a bit of scripting, I imagine it's possible to pull out which items have changed configuration since the last save.