fix(search): review ambiguous topic assignments

backend/test_search_topic_taxonomy.py

@@ -5,10 +5,13 @@ import unittest
 from contextlib import closing
 from pathlib import Path
 
-from tools.build_search_topic_taxonomy import build
+from tools.build_search_topic_taxonomy import build, group_for
 
 
 class SearchTopicTaxonomyTest(unittest.TestCase):
+    def test_ambiguous_roots_are_left_for_manual_review(self):
+        self.assertEqual(group_for("Иностранные инвестиции"), "review_required")
+
     def test_preserves_source_tree_counts_and_marks_unclassified_roots(self):
         with tempfile.TemporaryDirectory() as temporary:
             root = Path(temporary)
@@ -51,6 +54,18 @@ class SearchTopicTaxonomyTest(unittest.TestCase):
             self.assertEqual(groups["review_required"]["children"][0]["grouping_status"], "manual_review")
             self.assertEqual(catalog["nodes_missing_kyrgyz_label"], 2)
 
+    def test_rebuild_fails_instead_of_omitting_successful_manifest_document(self):
+        with tempfile.TemporaryDirectory() as temporary:
+            root = Path(temporary)
+            (root / "documents/1").mkdir(parents=True)
+            with closing(sqlite3.connect(root / "manifest.sqlite3")) as db:
+                db.execute("CREATE TABLE documents (code TEXT, state TEXT)")
+                db.execute("INSERT INTO documents VALUES ('1', 'success')")
+                db.commit()
+
+            with self.assertRaisesRegex(RuntimeError, "normalized document 1"):
+                build(root)
+
 
 if __name__ == "__main__":
     unittest.main()