* fix(cron): resolve isolated session deadlock (#44805)
Map cron lane to nested in resolveGlobalLane to prevent deadlock when
isolated cron jobs trigger inner operations (e.g. compaction). Outer
execution holds the cron lane slot; inner work now uses nested lane.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
* docs(changelog): add cron isolated deadlock note
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Co-authored-by: zhujian <zhujianxyz@gmail.com>
Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
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