chore(client): 归档原型阶段新增文件（配置、主题、模型与测试）

为什么：上一批归档只覆盖了「已跟踪文件的修改」，原型阶段新增的文件（app_config、theme、
home_feed/play_ticket 模型、catalog_api、测试目录等）还是未入库状态 —— 而已入库的代码会 import 它们，
留在工作区会导致 HEAD 处的代码编译不过。一并归档，让 HEAD 自洽。

纯归档，无行为改动。

test/drama_detail/drama_detail_logic_test.dart

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+import 'package:flutter_test/flutter_test.dart';
+import 'package:nontonki/core/data/models/drama.dart';
+import 'package:nontonki/core/data/remote/api_client.dart';
+import 'package:nontonki/pages/drama_detail/drama_detail_logic.dart';
+
+import '../support/fake_watch_history.dart';
+
+Drama _card(String id) => Drama(
+  id: id,
+  title: id,
+  synopsis: 'synopsis',
+  posterUrl: '/files/$id.jpg',
+  totalEpisodes: 3,
+  episodes: [
+    Episode(
+      id: '$id-1',
+      number: 1,
+      title: '第 1 集',
+      isFree: true,
+      videoUrl: '/files/$id-1.mp4',
+    ),
+  ],
+);
+
+Drama _detail(String id) => Drama(
+  id: id,
+  title: id,
+  synopsis: 'synopsis',
+  posterUrl: '/files/$id.jpg',
+  totalEpisodes: 3,
+  detailLoaded: true,
+  episodes: [
+    for (var number = 1; number <= 3; number++)
+      Episode(
+        id: '$id-$number',
+        number: number,
+        title: '第 $number 集',
+        isFree: true,
+        videoUrl: '/files/$id-$number.mp4',
+      ),
+  ],
+);
+
+void main() {
+  test('a list card is upgraded to the full episode list', () async {
+    var calls = 0;
+    final logic = DramaDetailLogic(
+      drama: _card('signal'),
+      history: FakeWatchHistory(),
+    );
+
+    await logic.load(() async {
+      calls++;
+      return _detail('signal');
+    });
+
+    expect(calls, 1);
+    expect(logic.loading, isFalse);
+    expect(logic.failed, isFalse);
+    expect(logic.drama.episodes, hasLength(3));
+    logic.dispose();
+  });
+
+  test('a failed load keeps the card and reports the reason', () async {
+    final logic = DramaDetailLogic(
+      drama: _card('signal'),
+      history: FakeWatchHistory(),
+    );
+
+    await logic.load(() async => throw const ApiException(500, '服务异常'));
+
+    expect(logic.failed, isTrue);
+    expect(logic.failureMessage, '服务异常');
+    expect(logic.drama.episodes, hasLength(1));
+
+    await logic.load(() async => throw StateError('offline'));
+    expect(logic.failed, isTrue);
+    expect(logic.failureMessage, isNull);
+    logic.dispose();
+  });
+
+  test('an already loaded detail skips the request', () async {
+    var calls = 0;
+    final logic = DramaDetailLogic(
+      drama: _detail('signal'),
+      history: FakeWatchHistory(),
+    );
+
+    await logic.load(() async {
+      calls++;
+      return _detail('signal');
+    });
+
+    expect(calls, 0);
+    expect(logic.drama.episodes, hasLength(3));
+    logic.dispose();
+  });
+}