feat: consolidate ticket domain baseline

backend/apps/audit/tests/test_audit_api.py

@@ -18,3 +18,27 @@ def test_list_operation_logs_returns_recent_logs(admin_client, db):
     assert len(payload) == 1
     assert payload[0]["module"] == "system"
     assert payload[0]["action"] == "health_check"
+
+
+def test_list_operation_logs_supports_business_object_filters(admin_client, db):
+    OperationAuditLog.objects.create(
+        module="tickets",
+        action="status_transition",
+        target_type="ticket",
+        target_id="42",
+        result="success",
+    )
+    OperationAuditLog.objects.create(
+        module="agents",
+        action="run_started",
+        target_type="agent_run",
+        target_id="run-1",
+        result="success",
+    )
+
+    response = admin_client.get(
+        "/api/audit/operation-logs?module=tickets&target_type=ticket&target_id=42"
+    )
+
+    assert response.status_code == 200
+    assert [item["target_id"] for item in response.json()] == ["42"]