docs(parties): complete German public reference

tests/test_documentation.py

@@ -0,0 +1,27 @@
+from __future__ import annotations
+
+import unittest
+
+from govoplan_parties.backend.manifest import manifest
+
+
+class PartiesDocumentationTests(unittest.TestCase):
+    def test_public_topics_have_complete_german_reference_content(self) -> None:
+        self.assertEqual(2, len(manifest.documentation))
+        for topic in manifest.documentation:
+            translation = topic.translations.get("de", {})
+            self.assertTrue(
+                all(translation.get(key) for key in ("title", "summary", "body"))
+            )
+
+    def test_procedure_topic_is_the_field_and_consequence_reference(self) -> None:
+        topic = next(
+            item
+            for item in manifest.documentation
+            if item.id == "parties.procedure-and-representation"
+        )
+        self.assertEqual("reference", topic.metadata.get("kind"))
+
+
+if __name__ == "__main__":
+    unittest.main()