As an Idea administrator or Product Owner, I'd like the original submitter to be unable to edit the idea that is in-progress or shipped, so it does not look like we implemented their altered narrative.
Either admin editable in custom statuses, or simply disallow for built-in status categories "In-progress" or higher.
This could be made also as a rule. So a rule that says if an idea is published and visible to anyone, it can't be modified anymore.
Another option would be with status. If an idea is different than New, it shouldn't be editable.
This is a big problem with AHA as i see it.
The submitter should now be allowed to edit the original idea after it has reached a specific state.
The administrator that manages the ideas should have the power to lock a idea so it is not editable ( and unlock it aswell perhaps ? )