M54: harden operations and demo resilience

backend/tests/test_seed.py

@@ -128,6 +128,23 @@ def test_seed_scenario_s4_booking_overlap():
         db.close()
 
 
+def test_seed_odometer_issues_expose_only_the_regressing_booking_as_correctable():
+    db = SessionLocal()
+    try:
+        reset_and_seed(db)
+        issue = _by_ref(db, DataQualityIssue, "DQ-0007")
+        assert issue is not None
+        assert issue.evidence_json["source_type"] == "return"
+        assert issue.evidence_json["related_refs"] == [
+            "INSP-0057",
+            "BK-H-0007",
+            "INSP-0007",
+        ]
+        assert issue.evidence_json["correctable_booking_refs"] == ["BK-H-0007"]
+    finally:
+        db.close()
+
+
 def test_seed_scenario_s5_failed_workflow_run():
     """S5: one seeded outbox event is durably 'failed' (terminal, retryable), not merely
     pending, so the background dispatcher never silently auto-heals it away."""