Propagate Done Status
I have a parent card called My Project which has one child: My Task.
My Task includes two children: My Smaller Task 1 and My Smaller Task 2.
When "Completed Checklist" is enabled and the checklists in the leaf nodes (My Smaller Task 1 and My Smaller Task 2) are completed, it should propagate its "Done" state all the way up to the parent, provided those don't have a checklist.
In this case, My Project will also have a "Done" state as the leaf nodes are completed.