Storage

Restore model context and preserve immutable original messages.

Read the walkthrough before consulting individual signatures.

Public interfaces

Interface	Purpose
BaseSessionPersistenceExtension	Reusable lifecycle adapter for one typed session storage implementation.
ContextSnapshot	One immutable checkpoint representing a compacted Raw Log prefix.
RawMessageRecord	One immutable original message returned by session storage.
SessionStorage	Persistence boundary; implementations own transactions and message encoding.
SessionSummary	Small read model used to list persisted conversation sessions.
SessionView	Latest checkpoint and the subsequent immutable Raw Log tail.
SessionPersistenceExtension	Adapt any application-owned SessionStorage to Agent lifecycle hooks.
SQLiteSessionExtension	Restore and save agent sessions in an owned SQLite database.
SQLiteSessionStorage	Standalone SQLite session storage shipped with zett-agent.