A conversation store: append and read, sync or async (a Map-backed one, a database, …).
Map
Optional
Readonly
Each turn's call tree log, kept while it runs (streaming.md, The rules a store keeps).
Whether it keeps records beyond this process (unknown: yes).
Resolves when a record after after exists (or ms passed).
after
ms
A conversation store: append and read, sync or async (a
Map-backed one, a database, …).