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Dragan Spiridonov
ce1222a7c4
Real-time hook learning-capture was failing on this macOS Docker bind mount with `Failed to initialize UnifiedMemoryManager: database is locked`, and a brain-checkpoint hook was leaking deadlocked `brain export` subprocesses (4 found, ~1.5GB RSS). Root cause is SQLite concurrency on a WAL-hostile virtiofs mount, NOT a native-binary mismatch (better-sqlite3 loads fine). - brain-checkpoint.cjs: add AQE_DISABLE_BRAIN_CHECKPOINT env / marker-file kill switch (opt-in; shipped installs unaffected). The export spawns a native RVF writer that deadlocks in a futex and ignores the SIGTERM the timeout sends, so orphaned exporters piled up. Disabling stops the leak at the source. - aqe-hook.cjs: make the FATAL health-log fix-hint conditional. Only suggest `npm rebuild better-sqlite3` for real native markers; lock-contention failures now point at the actual cause instead of sending users down the wrong path. - feature-flags.ts: add the missing RUVECTOR_USE_RVF_PATTERN_STORE env override (the only RuVector flag lacking one) so an RVF FsyncFailed can fall back to the SQLite HNSW PatternStore. Activates after build. - scripts/aqe-db-backup.sh: consistent VACUUM INTO snapshots (safe with concurrent writers), integrity-verified before promotion, rotating + daily, to the host mount so they survive container loss. Restore round-trip tested. - devcontainer.json: auto-restart the backup loop (postStartCommand) and set bind-mount env mitigations (remoteEnv: AQE_DISABLE_WAL, RUVECTOR_USE_RVF_PATTERN_STORE=false, AQE_DISABLE_BRAIN_CHECKPOINT). - learning-config.json: clear the stale rebuildMode flag (no src reader; on since 2025-12). Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>