Struct QueryDriftDetector

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pub struct QueryDriftDetector { /* private fields */ }

Expand description

Detects drift in the intent mix of incoming queries.

Clusters the baseline embeddings with k-means, then re-assigns the current embeddings to those baseline centroids. The score is the symmetric Kullback–Leibler divergence between the two assignment distributions.

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impl QueryDriftDetector

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pub fn new(threshold: f64, k: usize) -> Self

Create a detector with k clusters. Defaults: 50 Lloyd iters, tol 1e-4, 1e-6 add-epsilon for KL smoothing.

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pub fn with_seed(self, seed: u64) -> Self

Override the RNG seed.

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pub fn detect( &self, baseline: ArrayView2<'_, f32>, current: ArrayView2<'_, f32>, ) -> Result<DriftScore>

Run the detector against baseline and current query embeddings.

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impl UnwindSafe for QueryDriftDetector

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