imccyu fcd109d29a feat(storage): version read compatibility and backup-and-skip salvage for per-record units ... A DomainSpec may declare compatibleVersions: older domain versions whose stored records the current record schemas still accept. The json backend's per-record reads admit documents stamped with a declared version (writes always stamp the current one), and the legacy whole-unit bootstrap migrates only a file whose stored version is in the accepted set — previously it migrated any version and stamped the records current, turning a discardable stale cache into invalid-record failures that refused the whole domain at open and permanently poisoned the new tree on first boot. A DomainSpec may also declare invalidRecords: 'backup-and-skip' for domains whose records are disposable derived data: a stored record failing its zod schema is moved aside through the new optional KvUnit.backupRecord (<key>.json.bak.<YYYYMMDDHHmm> under the json backend), logged with its cause, and skipped, instead of rejecting the open. The default stays fail-loud, and so do backends without backupRecord.		2026-09-02 15:25:07 +08:00
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json-backend.spec.ts	feat(storage): version read compatibility and backup-and-skip salvage for per-record units	2026-09-02 15:25:07 +08:00