Workers are replaceable. The state they are responsible for should not be.
VAJRA makes runs, steps and evidence durable while treating attempts and workers as disposable. AstraUserbot applies a similar principle through SQLite/WAL, job recovery and supervised background work. TelDrive Lab keeps production storage authoritative while allowing catalogs and indexes to be rebuilt.
The common pattern is not a specific database technology. It is an ownership rule: rebuildable computation should not be the only place meaningful state exists.
When a process dies, the system should be able to determine what happened, what remains valid and what can safely continue.