ControlCurrent beta · Chapter 2.4
FunCS beta · controlled comparison
Lesson Flow Candidate Comparison
Chapter 2.4 appears in both panes: the unchanged current beta on the left and the additive authoring-kit candidate on the right. The branching lesson exercises the same candidate renderer with a second fixture.
CandidateAuthoring flow · Chapter 2.4
Compare: how the walkthrough starts and steps; how stage boundaries read; how checks gate the main lesson; how the footer carries Back/Next; and how each version behaves at a narrow viewport.