/**
 * ADR-121 Phase 10 — MMR rerank tests.
 *
 * Coverage:
 *  - Identity case (λ=1) reduces to plain top-k by relevance
 *  - Pure diversity (λ=0) ignores query relevance
 *  - Balanced (λ=0.5) demonstrably diversifies vs plain top-k on a
 *    corpus with near-duplicate clusters
 *  - k clamping (k > candidates.length, k === 0)
 *  - Order: pickOrder reflects iteration index
 *  - averagePairwiseSimilarity: MMR result is more diverse than the
 *    plain top-k from the same candidate set
 */
export {};
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