diff --git a/plugins/1c/connector/adapter_1c_server.py b/plugins/1c/connector/adapter_1c_server.py
index 6d546ca..f628853 100644
--- a/plugins/1c/connector/adapter_1c_server.py
+++ b/plugins/1c/connector/adapter_1c_server.py
@@ -42427,7 +42427,18 @@ def metadata_object_templates(payload: dict[str, Any]) -> dict[str, Any]:
                 "timeout_seconds": timeout_seconds,
             }
         )
-        classified_parts = parts_result.get("parts") if isinstance(parts_result.get("parts"), list) else []
+        classified_parts = []
+        for raw_part in parts_result.get("parts") or []:
+            if not isinstance(raw_part, dict):
+                continue
+            classified_part = dict(raw_part)
+            classification = classified_part.get("classification") if isinstance(classified_part.get("classification"), dict) else {}
+            if classification.get("role"):
+                classified_part["role"] = classification.get("role")
+            descriptor_type_code = template_descriptor_type_code_from_part(classified_part)
+            if descriptor_type_code is not None:
+                classified_part["descriptor_type_code"] = descriptor_type_code
+            classified_parts.append(classified_part)
         common_summary = public_template_summary(classified_parts, include_storage=include_storage) if classified_parts else {}
         templates = []
         for template_item in direct.get("templates") or []:
diff --git a/tests/1c/test_payload_codec.py b/tests/1c/test_payload_codec.py
index cf0e586..572c763 100644
--- a/tests/1c/test_payload_codec.py
+++ b/tests/1c/test_payload_codec.py
@@ -7075,6 +7075,22 @@ def test_common_template_inventory_preserves_unmapped_descriptor_code(monkeypatc
     assert result["templates"][0]["name"] == "Оформление"
 
 
+def test_top_level_common_template_summary_preserves_descriptor_code(monkeypatch: pytest.MonkeyPatch) -> None:
+    monkeypatch.setattr(adapter_server, "resolve_object_guid", lambda *_args, **_kwargs: ("a" * 36, None, {"name": "Оформление", "ref": "CommonTemplate.Оформление"}, None))
+    monkeypatch.setattr(adapter_server, "read_template_by_guid", lambda _payload: {"status": "ok", "source": {"kind": "live_sql"}, "templates": [{"guid": "a" * 36}]})
+    monkeypatch.setattr(adapter_server, "metadata_object_parts", lambda _payload: {"parts": [{
+        "classification": {"role": "metadata_payload", "tree": {"type": "list", "items": [
+            {"type": "atom", "value": "1"}, {"type": "list", "items": [
+                {"type": "atom", "value": "4"}, {"type": "list", "items": []}, {"type": "atom", "value": "7"},
+            ]},
+        ]}},
+    }, {"classification": {"role": "binary_or_unknown_payload", "xml_root": "AppearanceTemplate"}}]})
+
+    result = adapter_server.metadata_object_templates({"base_id": "upo_test", "kind": "CommonTemplate", "name": "Оформление"})
+
+    assert result["templates"][0]["descriptor_type_evidence"]["codes"] == ["7"]
+
+
 def test_moxel_template_artifact_kind_tracks_coordinate_hint_schema() -> None:
     assert adapter_server.MOXEL_TEMPLATE_ARTIFACT_KIND == "template_part_moxel_v11"