Module store 

Structs

MessageCursor

Cursor for stable message pagination

MessagePage

Pagination support for messages

SessionFilter

Filter for listing sessions

ToolCallUpdate

Tool call update operations

Enums

OrderDirection

Order direction

SessionOrderBy

Ordering options for session listing

SessionStatus

Session status for filtering

SessionStoreError

Session store error types

Traits

ArchiveStore

Archive store trait for cold storage

SessionStore

Database-agnostic session store trait

SessionStoreExt

Extension trait for SessionStore with additional convenience methods