diff --git a/.gitignore b/.gitignore
index 9168541..4ac0998 100644
--- a/.gitignore
+++ b/.gitignore
@@ -27,3 +27,6 @@ svgs.txt
 # Rust/Cargo
 Cargo.lock
 dist/
+
+# Local hygiene notes (not for commit)
+CLAUDE.md