docs: declare institutional architecture boundary

src/govoplan_dataflow/backend/manifest.py

@@ -29,6 +29,7 @@ from govoplan_core.core.modules import (
     PermissionDefinition,
     RoleTemplate,
 )
+from govoplan_core.core.provider_governance import declared_module_architecture
 from govoplan_core.core.datasources import (
     CAPABILITY_DATASOURCE_CATALOGUE,
     CAPABILITY_DATASOURCE_LIFECYCLE,
@@ -425,6 +426,19 @@ manifest = ModuleManifest(
         ),
     ),
     documentation=DOCUMENTATION,
+    architecture=declared_module_architecture(
+        layer="data_reporting_integration",
+        kind="runtime",
+        maturity="vertical_slice",
+        documentation_ref="README.md",
+        test_ref="tests/test_golden_flows.py",
+        known_limits=("Execution adapters and operator recovery evidence do not yet cover every declared node family.",),
+        owned_concepts=("dataflow definition", "dataflow revision", "dataflow run", "transformation graph"),
+        non_owned_concepts=("datasource binding", "connector transport", "report presentation", "workflow task"),
+        recovery_docs=("README.md",),
+        security_docs=("README.md",),
+        operations_docs=("README.md",),
+    ),
 )