Add PG claim/NE mutex, persist pool, and biz_state_worker replicas; fix double-SSH and row-count bugs; stop 32m collectNow while-loop from freezing page switches. Co-authored-by: Cursor <cursoragent@cursor.com>
Clear stuck collect_running without re-dispatching; finalize in-flight commands as failed with interrupted_by_restart. Co-authored-by: Cursor <cursoragent@cursor.com>