diff --git a/docs/1c-sql-protocol/research/report-template-codec-program.md b/docs/1c-sql-protocol/research/report-template-codec-program.md
index e6248c3..a70932a 100644
--- a/docs/1c-sql-protocol/research/report-template-codec-program.md
+++ b/docs/1c-sql-protocol/research/report-template-codec-program.md
@@ -37,7 +37,7 @@ GUID отчёта: `c428f629-785a-4141-b038-f2192bb4580d`.
 | HTML документ | частичное текстовое/HTML evidence | read-only до round-trip fixture |
 | Географическая схема | opaque typed candidate | read-only |
 | Графическая схема | opaque typed candidate | read-only |
-| Схема компоновки данных | XML decoder + scalar byte-preserving patch | write only after public route and saved-state codec proof |
+| Схема компоновки данных | XML decoder + scalar byte-preserving patch | `read_and_scalar_patch_supported`; write only after public route and saved-state codec proof |
 | Макет оформления компоновки данных | отдельный XML family | read-only до own fixture proof |
 | Внешняя компонента | opaque archive | hash/size only |
 
diff --git a/plugins/1c/connector/adapter_1c_server.py b/plugins/1c/connector/adapter_1c_server.py
index 158c225..700b7e7 100644
--- a/plugins/1c/connector/adapter_1c_server.py
+++ b/plugins/1c/connector/adapter_1c_server.py
@@ -163,7 +163,7 @@ ONEC_TEMPLATE_PLATFORM_TYPES = [
         "name": "Схема компоновки данных",
         "xml_type": "DataCompositionSchema",
         "decoder": "data_composition_schema",
-        "status": "not_implemented",
+        "status": "read_and_scalar_patch_supported",
         "aliases": ["СхемаКомпоновкиДанных", "DataCompositionSchema"],
     },
     {
diff --git a/tests/1c/test_payload_codec.py b/tests/1c/test_payload_codec.py
index b42d5e0..22c056a 100644
--- a/tests/1c/test_payload_codec.py
+++ b/tests/1c/test_payload_codec.py
@@ -6913,6 +6913,7 @@ def test_public_template_summary_exposes_known_platform_types() -> None:
     assert summary["template_type_candidates"][0]["confidence"] == "high"
     assert "Текстовый документ" in {item["name"] for item in summary["known_platform_types"]}
     assert "Внешняя компонента" in {item["name"] for item in summary["known_platform_types"]}
+    assert next(item for item in summary["known_platform_types"] if item["id"] == "data_composition_schema")["status"] == "read_and_scalar_patch_supported"
     assert {item["name"] for item in summary["known_platform_types"]} == {
         "Табличный документ",
         "Текстовый документ",