Fill the backend matrix: SQLite has journal + snapshot but no durable-state store (the UPDATE-CAS pattern + the existing driver abstraction make this small). Optionally add CassandraDurableStateStore via LWT (INSERT ... IF NOT EXISTS / UPDATE ... IF revision = ?). Part of Phase 5.
Fill the backend matrix: SQLite has journal + snapshot but no durable-state store (the UPDATE-CAS pattern + the existing driver abstraction make this small). Optionally add CassandraDurableStateStore via LWT (INSERT ... IF NOT EXISTS / UPDATE ... IF revision = ?). Part of Phase 5.