diff --git a/pkg/session/manager.go b/pkg/session/manager.go
index 08f0b0ad2..07f981df1 100644
--- a/pkg/session/manager.go
+++ b/pkg/session/manager.go
@@ -265,6 +265,12 @@ func (sm *SessionManager) loadSessions() error {
 	return nil
 }
 
+// Close is a no-op for the in-memory SessionManager; it satisfies the
+// SessionStore interface so callers can release resources uniformly.
+func (sm *SessionManager) Close() error {
+	return nil
+}
+
 // SetHistory updates the messages of a session.
 func (sm *SessionManager) SetHistory(key string, history []providers.Message) {
 	sm.mu.Lock()
diff --git a/pkg/session/session_store.go b/pkg/session/session_store.go
index 0396b49e2..177e58efe 100644
--- a/pkg/session/session_store.go
+++ b/pkg/session/session_store.go
@@ -15,4 +15,5 @@ type SessionStore interface {
 	SetHistory(key string, history []providers.Message)
 	TruncateHistory(key string, keepLast int)
 	Save(key string) error
+	Close() error
 }