diff --git a/.gitignore b/.gitignore
index e5434e32..7c86ed09 100644
--- a/.gitignore
+++ b/.gitignore
@@ -66,3 +66,5 @@ zig-out/
 
 # Per-worktree DerivedData (docs: .claude/skills/pr-gate-report)
 .derived/
+# Workspace layouts written to the shell's working directory during local runs
+/graphcode-workspace.*.json
diff --git a/graphcode-workspace.159bee7166972fae.json b/graphcode-workspace.159bee7166972fae.json
deleted file mode 100644
index 72894154..00000000
--- a/graphcode-workspace.159bee7166972fae.json
+++ /dev/null
@@ -1 +0,0 @@
-{"schemaVersion":2,"project":"C:\\v7\\9bd69edc5a444088ab28df14bae7d858\\temp\\gu-3105f799a95b493280820005d224ec6e\\project","selectedTab":1,"tabs":[{"id":1,"direction":"horizontal","focused":0,"panes":[{"id":"11111111-1111-4111-8111-111111111111","agent":true}]},{"id":2,"direction":"horizontal","focused":0,"panes":[{"id":"ed498986-ee0f-525f-ec6d-bbdab7bf0afc","agent":false}]}]}
\ No newline at end of file