fix(core): preserve migration event watermark - #44013
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AidenGeunGeun
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August 22, 2026 00:45
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Issue for this PR
Closes #44012
Type of change
What does this PR do?
Keeps V1 projection rebuilds from lowering the event counter below durable V2 events. It derives the preserved watermark from the remaining event rows, so stale counters from rolled-back projections are still reset.
How did you verify your code works?
bun test test/v1-migration.test.tsinpackages/core(25 pass)bun typecheckinpackages/coreScreenshots / recordings
N/A
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