Synthesized cross-tenant view of graph completeness and diagnostic misconception depth. Helps prioritize where authoring and validation effort is most urgently needed next. Contains zero operational student or teacher data (Requirement 21.5).
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Authoring Prioritization Rule
Gap = Unvalidated or draft node (blocks student practice). Thin = Validated, but missing diagnostic misconceptions or rubric exemplar (degrades hint fidelity). Rich = Validated with active diagnostic error models mapped.