The Proof Is the Audit Trail
This video presents the same text shown beside it, spoken and on screen. It adds nothing the text does not say.
State
A finished top-down tree is a proof: every answer traces through numbered rules to established facts, and the trace can be handed to whoever asks why.
Show
"Why repot?" — because rot risk; because overwatered plus no drainage; because yellow plus soggy: the tree, read aloud.
Watch for
Auditability of this grade is a property later machinery will lose — remember what it looks like.