chore: settings adjustment (#1959)

## Summary
Small settings adjustment.

## Testing
Not run (config-only change).

Author: Ajit-Mehrotra

.claude/settings.json

@@ -1,3 +1,7 @@
 {
-  "permissions": {}
-}
+  "permissions": {},
+  "attribution": {
+    "commit": "",
+    "pr": ""
+  }
+}