prisma-risk / tsoracle / 26354719091

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feat: pin an on-disk schema version for snapshots, log entries, and meta records (#291)

* feat(openraft-toolkit): stamp a schema version on persisted log records

Route RocksdbLogStore log-entry encode/decode through the version-prefixed codec at a pinned SCHEMA_VERSION so a future entry-layout change fails with a structured InvalidData error instead of silently misdecoding old entries.

Refs #93

* feat(driver-openraft): version-stamp the snapshot payload and envelope

Route HighWaterStateMachine's snapshot payload and on-disk PersistedSnapshot envelope through the toolkit's version-prefixed codec at SCHEMA_VERSION, with v1-layout fixtures and a foreign-version rejection test. A future snapshot field change now fails with InvalidData instead of silently misdecoding upgraded-from-disk state.

Refs #93

* feat(paxos-toolkit): version-prefix the storage codec

Upgrade the bare postcard codec to [version | postcard] framing with a pinned SCHEMA_VERSION and Empty/Version errors, and route ballots, stopsign, snapshot, and log entries through it. Add v1-layout fixtures for the meta ballot and a foreign-version rejection test. A future layout change now fails with a version mismatch rather than silently misdecoding persisted OmniPaxos state.

Refs #93

* test(paxos): pin v1 log-entry layout and refresh fuzz artifacts

Add a v1-layout fixture for a HighWaterCommand log entry, refresh the now-inaccurate ballot fuzz-target comment, and regenerate the version-prefixed ballot seed corpus.

Refs #93

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