feat: complete academic symbol lexicon heal, 2-column Cooper extraction, and updated assets

test/archon_noun_test.dart

@@ -0,0 +1,52 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+import 'package:words999/services/houses_service.dart';
+import 'package:words999/services/words_repository.dart';
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+
+  group('Archon Strict Noun Verification Tests', () {
+    late HousesService service;
+    late WordsRepository repo;
+
+    setUp(() async {
+      SharedPreferences.setMockInitialValues({});
+      repo = WordsRepository();
+      await repo.init(remoteDailyShuffle: false);
+      service = HousesService();
+    });
+
+    test('All 10 Archons are strictly nouns across 100 random sessions', () {
+      for (int run = 0; run < 100; run++) {
+        final session = service.createNewSession();
+        expect(session.sectors.length, 10);
+        for (int i = 0; i < 10; i++) {
+          final archon = session.sectors[i].archonWord;
+          expect(
+            archon.partOfSpeech.toLowerCase().trim(),
+            'существительное',
+            reason: 'Archon #${i + 1} «${archon.word}» is not a noun! (pos=${archon.partOfSpeech}, cat=${archon.category})',
+          );
+          expect(
+            archon.category.toLowerCase().contains('действие'),
+            isFalse,
+            reason: 'Archon «${archon.word}» has action category!',
+          );
+          expect(
+            archon.word.toLowerCase().trim(),
+            isNot(equals('положить')),
+            reason: '«положить» must never be an Archon!',
+          );
+        }
+      }
+    });
+
+    test('Word «положить» is strictly a verb in WordsRepository', () {
+      final w = repo.getWordByName('положить');
+      expect(w, isNotNull);
+      expect(w!.partOfSpeech.toLowerCase().trim(), 'глагол');
+      expect(w.category, contains('Действие'));
+    });
+  });
+}