diff --git a/.gitignore b/.gitignore
index 1647b5f..18a42b8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,3 +17,8 @@ outputs/
 tests/_artifacts/
 docs/papers/*.pdf
 docs/papers/*.txt
+docs/papers/md/
+# external-review scratch (raw model output, stderr); curated *.md reviews stay tracked
+.pi/
+docs/reviews/raw*.jsonl
+docs/reviews/err*.txt