diff --git a/.gitignore b/.gitignore
index 7f5e63b9..f15e0c6c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -106,3 +106,13 @@ ENV/
 
 # all files under
 .git/
+
+# any commit-msg gen tmp files
+.claude/*_commit_*.md
+.claude/*_commit_*.toml
+
+# nix develop --profile .nixdev
+.nixdev*
+
+# :Obsession .
+Session.vim