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feat(FN-4083): add WAL enforcement, immediate write transactions, and concu

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Hardened SQLite concurrent-write safety in `@fusion/core` by auditing WAL enforcement and adding immediate write transactions to prevent stale reads under load, with executor semaphore limit tests in `@fusion/engine` validating the concurrency bounds; added a new `store-concurrent-writes.test.ts` in

Fusion-Task-Id: FN-4083

Fusion-Task-Lineage: adabe51a-a9c4-481a-850d-985c373df51a
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Fusion
2026-05-12 03:23:06 -07:00
committed by gsxdsm
parent b1a0464d68
commit 06feb61686
14 changed files with 384 additions and 30 deletions
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.changeset/fn-4083-sqlite-concurrency.md Normal file
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"@runfusion/fusion": patch
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Improve SQLite write reliability under concurrent executor activity by enforcing WAL/busy-timeout setup on every disk-backed connection, using explicit immediate transactions for task+audit writes, and adding disk-backed concurrent-write regression coverage.