diff --git a/.gitignore b/.gitignore
index 7e0a4a3..4395118 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,6 @@ Cargo.lock
 .DS_Store
 .cargo/
 .claude/worktrees/
+
+# session scratch — never track (may contain RE breadcrumbs)
+scratch/