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By this point in the series, authorization should no longer feel like a feature.It should feel like a boundary. — Permissions define who may attempt an action.— Policies define what is valid now.— Invariants define what must never be false. Together,...

Once we stop treating permissions as rules and start treating them as data, a natural question follows: Data about what? A permission is a label that says, *“*this action applies to that thing.” But how does Django identify that thing—especially in a...
