diff --git a/apps/api/tests/test_telegram_message_templates.py b/apps/api/tests/test_telegram_message_templates.py
index 2c44adab..ec23f530 100644
--- a/apps/api/tests/test_telegram_message_templates.py
+++ b/apps/api/tests/test_telegram_message_templates.py
@@ -1157,6 +1157,10 @@ async def test_controlled_apply_result_receipt_marks_callback_reply_evidence(mon
     assert source_extra["callback_reply"]["status"] == "callback_reply_sent"
     assert source_extra["source_refs"]["incident_ids"] == ["INC-20260627-64472B"]
     km_snapshot = source_extra["km_stale_completion_summary"]
+    assert (
+        km_snapshot["source_schema_version"]
+        == "km_stale_owner_review_completion_telegram_summary_v1"
+    )
     assert km_snapshot["status"] == "no_related_owner_review"
     assert km_snapshot["ready_count"] == 10
     assert km_snapshot["triage"]["ai_lead_agent"] == "Hermes"