Tiebreaker 3: Recoverable beats correct
This is a spec: descriptive guidance, not a checkable rule. It carries no forbidden and instead pair, and no jig check detector applies to it directly.
The spec
Between preventing a mistake and allowing it to be undone, choose undo.
Prevention charges every user friction on every interaction to guard against a rare error. Recovery costs nothing until the error happens. Exception: genuinely irreversible operations, which confirm — and in operator, confirm by typing.
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