The bug: initializeNoDbMode() was setting the legacy global storeActive
but not cmdCtx.StoreActive. When ensureStoreActive() checked
isStoreActive(), it used cmdCtx.StoreActive (which was false), causing
the JSONL-only mode error even when --no-db was passed.
The fix: Use accessor functions (lockStore, setStore, setStoreActive,
unlockStore) which set both the legacy globals and cmdCtx fields.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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