docs(policy): complete German reference coverage

tests/test_policy_module_contract.py

@@ -26,6 +26,18 @@ ROOT = pathlib.Path(__file__).resolve().parents[1]
 
 
 class PolicyModuleContractTests(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_policy_package_does_not_hard_require_access(self) -> None:
         project = tomllib.loads((ROOT / "pyproject.toml").read_text(encoding="utf-8"))[
             "project"