diff --git a/.gitignore b/.gitignore
index 8d08867bf..ab3484f43 100644
--- a/.gitignore
+++ b/.gitignore
@@ -104,6 +104,7 @@ repowise.db
 .sf/harness/
 .sf/milestones/
 .sf/scaffold-manifest.json
+.sf/session_todo.json
 .sf/interactive.lock
 .sf/interactive.lock.d/
 # SQLite WAL/SHM are ephemeral checkpoint files — only the .db is durable.