Langfuse v4.54.0

Langfuse releases published Langfuse v4.54.0. This automated release-watch entry was generated from the project's official GitHub release feed and is kept separate from human-reviewed editorial analysis. Release notes: What's Changed Features feat(topics): classify traces into buckets by @nimarb in 17664 feat: add external media storage integration by @wochinge in 18320 feat(scores): compile experiment-item and prompt-event reads through the query AST by @niklassemmler in 17553 feat(openai): add structured review output and enhance customer response fixtures by @marliessophie in 18342 feat(analytics): track user-visible error toasts by @nkabardin in 18324 feat(sessions): Make session view use trace transcripts by @bezbac in 18063 Fixes fix(dashboards): remove duplicate outer grid padding by @tobi12345 in 18329 fix(shared): keep trace latency NULL when no observation has an end time by @niklassemmler in 18330 fix(worker): stop applying data retention without an enterprise license by @dergeraetbot in 18283 fix(blobstorage): Improve enabled integration experience by @jordibosch20 in 18328 fix(s3): warn…

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