diff --git a/.claude/worktrees/agent-a3dddb4d7aa52218e b/.claude/worktrees/agent-a3dddb4d7aa52218e
deleted file mode 160000
index e17a818..0000000
--- a/.claude/worktrees/agent-a3dddb4d7aa52218e
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit e17a818deb6a8ffca16091858be400466698135d
diff --git a/.gitignore b/.gitignore
index e9a4865..6d643c6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -29,6 +29,9 @@ data/study-sessions.json
 .env
 .env.*
 
+# Claude Code agent worktrees — local scratch space, never part of the repo
+.claude/worktrees/
+
 # Editor directories and files
 .vscode/*
 !.vscode/extensions.json