Add GetCurrentSnapshotID method to retrieve the current snapshot ID

api.go

@@ -429,3 +429,7 @@ func (a *Agate) GetRemoteSnapshot(ctx context.Context, address string, snapshotI
 	a.options.Logger.Printf("Successfully imported remote snapshot %s", snapshotID)
 	return nil
 }
+
+func (a *Agate) GetCurrentSnapshotID() string {
+	return a.currentSnapshotID
+}