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# Function analyze_stability

> Analyze prompt-block stability across multiple observations.

Generated from `cargo doc --no-deps -p nemo-relay -p nemo-relay-adaptive -p nemo-relay-ffi`.

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Analyze prompt-block stability across multiple observations.

The analysis computes one stability score per span, ordered by the first sequence index at which that span appeared, and derives the length of the stable prefix at the start of the prompt.

## Parameters

* `observations`: Prompt observations to compare.
* `thresholds`: Thresholds used for stability classification and confidence.

## Returns

A [`StabilityAnalysisResult`](/reference/api/rust-library-reference/nemo-relay-adaptive/acg/stability/struct-stabilityanalysisresult) summarizing span-level stability.