[ISSUE #10263] Add consumer message deduplication with correct ackIndex semantics#10606

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Commits on Jul 10, 2026

[ISSUE #10263] Add message deduplication for consumers

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[ISSUE #10263] Fix critical deduplication issues

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[ISSUE #10263] Fix ackIndex semantics and add comprehensive tests

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[ISSUE #10263] Fix ackIndex semantics for partial success with duplicates

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[ISSUE #10263] Address PR review feedback for message deduplication

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[ISSUE #10606] Fix batch-internal dedup leak and cross-topic false duplicates

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Commits on Jul 11, 2026