diff --git a/.claude/worktrees/agent-a7c284b1bc63a2118 b/.claude/worktrees/agent-a7c284b1bc63a2118
deleted file mode 160000
index 58d5656..0000000
--- a/.claude/worktrees/agent-a7c284b1bc63a2118
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 58d5656352568142e0206eb300779188a2902843
diff --git a/.claude/worktrees/agent-ac1bb48ef1517f6d7 b/.claude/worktrees/agent-ac1bb48ef1517f6d7
deleted file mode 160000
index 7d30cdb..0000000
--- a/.claude/worktrees/agent-ac1bb48ef1517f6d7
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 7d30cdb8ca7729d291708cfd7a6d5844c74810fa
diff --git a/.claude/worktrees/agent-ac7398ed0153f545c b/.claude/worktrees/agent-ac7398ed0153f545c
deleted file mode 160000
index bc67ad8..0000000
--- a/.claude/worktrees/agent-ac7398ed0153f545c
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit bc67ad80e8976d8460ecfdb768675dad2a9f1e22
diff --git a/.claude/worktrees/agent-ae34b68754f21f503 b/.claude/worktrees/agent-ae34b68754f21f503
deleted file mode 160000
index d57ae0a..0000000
--- a/.claude/worktrees/agent-ae34b68754f21f503
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-Subproject commit d57ae0a41250039b18eceee796eded507e53ce4a
diff --git a/.gitignore b/.gitignore
index e3461d6..9e6454e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,3 +15,6 @@ data/
 
 # bench artifacts
 bench/qa_results/
+
+# Claude Code session-local artifacts (worktrees, transient state)
+.claude/