[SPARK-57424][SQL] Add First/Last to segment-tree window aggregate allowlist#56485

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Commits on Jun 3, 2026

[SPARK-57220][SQL] Extend block-chunked segment-tree window frame to shrinking frames
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Commits on Jun 4, 2026

[SPARK-57220][SQL][FOLLOWUP] Use explicit cacheHint=Some(2) for shrinking frames
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Commits on Jun 10, 2026

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[SPARK-57220][SQL][FOLLOWUP] Address review nits: clarify cacheHint rationale and writeRow comment
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Commits on Jun 12, 2026

[SPARK-57220][SQL][TESTS] Fix benchmark comment: MAIN_N -> A_N
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Commits on Jun 13, 2026

[SPARK-57424][SQL] Add First/Last to segment-tree window aggregate allowlist
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