fix(player): 重构单层过渡并阻止锁定集串播

test/player/player_logic_test.dart

@@ -11,12 +11,15 @@ import 'package:fruitshorts/core/data/models/watch_progress.dart';
 import 'package:fruitshorts/core/data/models/download_license.dart';
 import 'package:fruitshorts/core/data/models/download_policy.dart';
 import 'package:fruitshorts/core/data/repositories/download_repository.dart';
+import 'package:fruitshorts/core/data/repositories/commerce_repository.dart';
 import 'package:fruitshorts/core/data/services/android_picture_in_picture.dart';
 import 'package:fruitshorts/core/data/services/download_controller.dart';
 import 'package:fruitshorts/core/data/services/download_storage.dart';
 import 'package:fruitshorts/core/data/services/playback_session.dart';
 import 'package:fruitshorts/core/data/services/playback_position_cache.dart';
 import 'package:fruitshorts/core/data/services/video_player_port.dart';
+import 'package:fruitshorts/core/data/services/wallet_controller.dart';
+import 'package:fruitshorts/core/data/models/wallet.dart';
 import 'package:fruitshorts/pages/player/player_logic.dart';
 import 'package:fruitshorts/pages/player/player_view.dart';
 import 'package:fruitshorts/pages/player/widgets/player_video_surface.dart';
@@ -46,6 +49,37 @@ Drama _drama(
   ],
 );
 
+Drama _gateDrama() => const Drama(
+  id: 'gate',
+  title: 'Gate',
+  synopsis: 'Gate synopsis',
+  posterUrl: '/files/gate.png',
+  episodes: [
+    Episode(
+      id: 'gate-1',
+      number: 1,
+      title: 'Free',
+      isFree: true,
+      videoUrl: 'https://example.test/gate-1.mp4',
+    ),
+    Episode(
+      id: 'gate-2',
+      number: 2,
+      title: 'Locked',
+      isFree: false,
+      locked: true,
+      videoUrl: 'https://example.test/gate-2.mp4',
+    ),
+    Episode(
+      id: 'gate-3',
+      number: 3,
+      title: 'Next',
+      isFree: true,
+      videoUrl: 'https://example.test/gate-3.mp4',
+    ),
+  ],
+);
+
 AndroidPictureInPicture _pip() =>
     AndroidPictureInPicture(channel: const MethodChannel('test/player_logic/pip'));
 
@@ -53,11 +87,13 @@ PlayerLogic _logic(
   FakeWatchHistory history, {
   PlaybackRepository? playback,
   PlaybackPositionCache? positionCache,
+  WalletController? wallet,
   Future<void> Function()? waitForFrame,
 }) => PlayerLogic(
   history: history,
   playback: playback ?? FakePlaybackRepository(),
   pictureInPicture: _pip(),
+  wallet: wallet,
   positionCache: positionCache,
   waitForFrame: waitForFrame ?? () async {},
 );
@@ -581,6 +617,88 @@ void main() {
       await _drain(logic);
     });
 
+    test('should_pause_and_release_when_swiping_to_locked_episode', () async {
+      final factory = _RecordingFactory();
+      final playback = FakePlaybackRepository();
+      final logic = _logic(FakeWatchHistory(), playback: playback);
+      logic.attach(
+        PlayerPage(drama: _gateDrama(), initialIndex: 0),
+        isMounted: () => true,
+      );
+      logic.start(factory: factory.create, coordinator: PlaybackCoordinator());
+      await _drain(logic);
+      final previous = factory.created.single;
+
+      playback.ticket = const PlayTicket(
+        episodeId: 'gate-2',
+        accessible: false,
+        accessType: PlayTicket.coinRequired,
+        unlockCoin: 30,
+      );
+      await logic.selectEpisode(1);
+      await _drain(logic);
+
+      expect(previous.pauses, greaterThan(0));
+      expect(previous.disposed, isTrue);
+      expect(logic.session.active, isNull);
+      expect(factory.live, 0);
+      expect(factory.created, hasLength(1));
+      expect(logic.blockedEpisodeId, 'gate-2');
+
+      playback.ticket = null;
+      await logic.selectEpisode(2);
+      await _drain(logic);
+      expect(logic.session.active, isNotNull);
+      expect(factory.created.last.plays, greaterThan(0));
+
+      logic.dispose();
+      await _drain(logic);
+    });
+
+    test('should_start_locked_episode_after_unlock_succeeds', () async {
+      final factory = _RecordingFactory();
+      final playback = FakePlaybackRepository();
+      final wallet = WalletController(_UnlockCommerceRepository());
+      final logic = _logic(
+        FakeWatchHistory(),
+        playback: playback,
+        wallet: wallet,
+      );
+      logic.attach(
+        PlayerPage(drama: _gateDrama(), initialIndex: 0),
+        isMounted: () => true,
+      );
+      logic.start(factory: factory.create, coordinator: PlaybackCoordinator());
+      await _drain(logic);
+      playback.ticket = const PlayTicket(
+        episodeId: 'gate-2',
+        accessible: false,
+        accessType: PlayTicket.coinRequired,
+        unlockCoin: 30,
+      );
+      await logic.selectEpisode(1);
+      await _drain(logic);
+      expect(logic.session.active, isNull);
+
+      playback.ticket = const PlayTicket(
+        episodeId: 'gate-2',
+        accessible: true,
+        accessType: PlayTicket.coinRequired,
+        playUrl: '/files/gate-2.mp4',
+      );
+      final unlocked = await logic.unlockEpisode(1);
+      await _drain(logic);
+
+      expect(unlocked, isTrue);
+      expect(logic.isEpisodeLocked(logic.sessionEpisodes[1]), isFalse);
+      final active = logic.session.active;
+      expect(active, isA<_RecordingPlayer>());
+      expect((active! as _RecordingPlayer).plays, greaterThan(0));
+
+      logic.dispose();
+      await _drain(logic);
+    });
+
     test('should_preload_only_what_follows_when_starting_from_a_later_index', () async {
       final factory = _RecordingFactory();
       final drama = _drama('signal');
@@ -1403,3 +1521,23 @@ class _VideoRecordingPlayer extends VideoPlayerPort {
     await controller.dispose();
   }
 }
+
+class _UnlockCommerceRepository implements CommerceRepository {
+  @override
+  Future<WalletSnapshot> fetchWallet() async => const WalletSnapshot(
+    wallet: CoinWallet(
+      coinBalance: 100,
+      totalRechargedCoin: 0,
+      totalConsumedCoin: 0,
+      totalRefundedCoin: 0,
+    ),
+  );
+
+  @override
+  Future<UnlockResult> unlock(String episodeId) async => const UnlockResult(
+    unlocked: true,
+    accessType: PlayTicket.coinRequired,
+    coinCost: 30,
+    coinBalance: 70,
+  );
+}