block DB interface#3445

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wen/data_store_interface

Commits on May 15, 2026

data: Store interface for persistent block + FullCommitQC backing (CON-272)

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data: drop Flush() — Writes are synchronous-on-durability instead (CON-272)

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data: trim residual Flush mention from Store doc

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data: spell out GlobalRange half-open interval convention in Store doc

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data: spell out what Store does NOT persist (AppHash, exec results)

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data: switch Store reads from (*T, bool, error) to (utils.Option[*T], error)

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Commits on May 19, 2026

data: bring Flush() back — two-phase write/flush for batched fsync (CON-272)

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