Abdelrahman Kaseb 34f1a04120
fix: preserve explicit lambda_threshold=0.0 in SentenceTransformersDiversityRanker (#9771)
* fix(rankers): preserve lambda_threshold=0.0 in SentenceTransformersDiversityRanker

* Add tests

* release note

* remove unreachable code, merge tests

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Co-authored-by: Julian Risch <julian.risch@deepset.ai>
2025-09-09 09:55:12 +00:00
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