diff --git a/idea159_arbsphere_federated_cross/energi_bridge.py b/idea159_arbsphere_federated_cross/energi_bridge.py
index f7b098e..3470a69 100644
--- a/idea159_arbsphere_federated_cross/energi_bridge.py
+++ b/idea159_arbsphere_federated_cross/energi_bridge.py
@@ -44,6 +44,8 @@ class EnergiBridge:
             payload["PlanDelta"] = {
                 "actions": delta.actions,
                 "timestamp": delta.timestamp.isoformat(),
+                "delta_id": getattr(delta, "delta_id", None),
+                "parent_id": getattr(delta, "parent_id", None),
             }
 
             # Optional governance/provenance extensions