Fix snapshot flush and checkpoint exception propagation [dev]#1679

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badrishc merged 15 commits intodevfrom

fix/cluster-replication-tests

Apr 8, 2026

Commits on Apr 7, 2026

Fix snapshot flush ObjectIdMap use-after-free and checkpoint exception propagation

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Use TaskCompletionSource for flush completion signal; fix formatting

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Reorder waiting list tuple to (task, type) for consistency

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Fix skipped page count in FlushCompletionTracker

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Encapsulate FlushCompletionTracker semaphore; move to own file

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Handle zero page count in FlushCompletionTracker constructor

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Remove redundant early HeadAddress check in snapshot flush

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simplify
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Commits on Apr 8, 2026