docs(idm): complete German reference coverage

tests/test_interface_documentation_contract.py

@@ -7,6 +7,14 @@ from govoplan_idm.backend.api.v1.routes import ORGANIZATION_IDENTITY_READ_SCOPES
 
 
 class IdmInterfaceDocumentationContractTests(unittest.TestCase):
+    def test_all_static_topics_have_complete_german_content(self) -> None:
+        for topic in manifest.documentation:
+            german = (topic.translations or {}).get("de", {})
+            self.assertEqual({"title", "summary", "body"}, set(german), topic.id)
+            self.assertTrue(
+                all(str(value).strip() for value in german.values()), topic.id
+            )
+
     def test_route_and_contributed_action_remain_declared(self) -> None:
         frontend = manifest.frontend
         self.assertIsNotNone(frontend)
@@ -54,8 +62,13 @@ class IdmInterfaceDocumentationContractTests(unittest.TestCase):
             "idm.typed-groups.action.resolve-memberships",
             relationships.metadata["help_contexts"],
         )
-        self.assertIn("Revocation immediately", relationships.metadata["consequences"][2])
-        self.assertIn("Access permissions remain unchanged", relationships.metadata["verification"])
+        self.assertIn(
+            "Revocation immediately", relationships.metadata["consequences"][2]
+        )
+        self.assertIn(
+            "Access permissions remain unchanged",
+            relationships.metadata["verification"],
+        )
 
     def test_relationship_writers_may_use_identity_search_selectors(self) -> None:
         self.assertIn("idm:relationship:write", ORGANIZATION_IDENTITY_READ_SCOPES)