Operator chose option A: a flush or unconditional commit on a directory store
lands its changed pages onto the current manifest, so other writers' records
survive, while a single-file store stays last-writer-wins. Also records that an
attached store shares its cache's gate, which is how Cut 3 fixed the lock order.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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