Update .Rbuildignore

Change-Id: I68bc6702b057f620cd563311e4661e3559719518
diff --git a/.Rbuildignore b/.Rbuildignore
index f1512a4..e77feb5 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -18,7 +18,7 @@
 ^\.positai$
 ^\.claude$
 ^\.codex$
+^\.agents$
 \.gitlab-ci\.yml$
 ^\.github$
 ^\ .gitlab-ci-local
-