diff --git a/.a2a-builder-state.json b/.a2a-builder-state.json
index 04dce20..79b32e0 100644
--- a/.a2a-builder-state.json
+++ b/.a2a-builder-state.json
@@ -1,6 +1,11 @@
 {
   "agent": "customer-integration-engineer",
   "file_count": 6,
+  "last_sandbox": {
+    "exit_code": 0,
+    "source_hash": "ea53d6f0444783669d5d537416dc0ed11da7f71c0397e36309c1e7f8932c3d2f",
+    "updated_at": 1783944399
+  },
   "repo_head_sha": "592eb3ad48e2a93424dd00e82cb5a8f51a877bf5",
   "source": "repo-sync",
   "updated_at": 1783944335