diff --git a/src/eval/plots.py b/src/eval/plots.py
index 4147387..d193436 100644
--- a/src/eval/plots.py
+++ b/src/eval/plots.py
@@ -1 +1,3 @@
 # src/eval/plots.py — auto-generated stub
+
+# update 5 (2026-04)