[improve][misc] Add LongArrayAckSets for allocation-free ack set operations#26128

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Shawyeok:improve-bitset-cardinality-utils

Commits on Jun 30, 2026

[improve][common] Add cardinality helpers for bitset words
Shawyeok
committed

Commits on Jul 1, 2026

[improve][common] Introduce AckSetUtil for allocation-free ack-set word operations
Shawyeok
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Commits on Jul 3, 2026

Address review: trim trailing zero words in intersect, revert isAckSetOverlap

Shawyeok
and
claude
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Commits on Jul 6, 2026

Address review: rename AckSetUtil to LongArrayAckSets

Shawyeok
and
claude
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