feat: phase1 UI prep — 设备ID系统传递 + 国家本地化展示 + 继续观看直进播放页

设备标识: Android SSAID/ iOS IDFV 原生通道 → Dart DeviceIdProvider
国家解析: 注册/登录从后端 IP → 国家/语言/时区/币种 自动落库
账号资料: 全部本地化展示 (account_display.dart)
我的页: 继续观看卡片点击直接进播放页

android/app/src/main/kotlin/com/stormg/lumadrama/MainActivity.kt

@@ -4,6 +4,7 @@ package com.stormg.lumadrama
 
 import android.content.Intent
 import android.app.PictureInPictureParams
+import android.content.Context
 import android.content.res.Configuration
 import android.graphics.Bitmap
 import android.media.MediaMetadataRetriever
@@ -12,6 +13,8 @@ import android.os.Build
 import android.os.Bundle
 import android.os.Handler
 import android.os.Looper
+import android.provider.Settings
+import android.telephony.TelephonyManager
 import android.util.Rational
 import android.content.pm.PackageManager
 import android.view.WindowManager
@@ -21,6 +24,7 @@ import io.flutter.embedding.android.FlutterActivity
 import io.flutter.embedding.engine.FlutterEngine
 import io.flutter.plugin.common.MethodChannel
 import java.io.ByteArrayOutputStream
+import java.util.Locale
 import java.util.concurrent.ExecutorService
 import java.util.concurrent.Executors
 import java.util.concurrent.atomic.AtomicBoolean
@@ -65,6 +69,23 @@ class MainActivity : FlutterActivity() {
                 result.success(false)
             }
         }
+        // 设备标识：SSAID 免权限，卸载重装不变，避免客户端自己生成的 id 每次重装都变
+        MethodChannel(flutterEngine.dartExecutor.binaryMessenger, "com.stormg.lumadrama/device")
+            .setMethodCallHandler { call, result ->
+                when (call.method) {
+                    "ssaid" -> {
+                        val value = try {
+                            Settings.Secure.getString(contentResolver, Settings.Secure.ANDROID_ID)
+                        } catch (_: Exception) {
+                            null
+                        }
+                        result.success(value)
+                    }
+                    // 设备区域：注册时作为服务端 IP 解析失败后的兜底
+                    "region" -> result.success(currentRegion())
+                    else -> result.notImplemented()
+                }
+            }
         MethodChannel(flutterEngine.dartExecutor.binaryMessenger, "com.stormg.lumadrama/share")
             .setMethodCallHandler { call, result ->
                 if (call.method != "shareText") {
@@ -156,6 +177,28 @@ class MainActivity : FlutterActivity() {
             ?.bottom
             ?: 0
 
+    /** 网络运营商国家优先，其次 SIM 卡，最后系统语言；都拿不到返回空串。 */
+    private fun currentRegion(): String {
+        return try {
+            val telephony = getSystemService(Context.TELEPHONY_SERVICE) as? TelephonyManager
+            val localeCountry = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+                resources.configuration.locales.get(0).country
+            } else {
+                @Suppress("DEPRECATION")
+                resources.configuration.locale.country
+            }
+            val candidates = listOfNotNull(
+                telephony?.networkCountryIso,
+                telephony?.simCountryIso,
+                localeCountry
+            )
+            candidates.firstOrNull { it.isNotBlank() }?.uppercase(Locale.ROOT) ?: ""
+        } catch (_: Exception) {
+            // 个别 ROM 读运营商信息会抛 SecurityException，别让注册流程卡住
+            ""
+        }
+    }
+
     private fun emitImeInset(value: Int) {
         if (value == imeInset) return
         imeInset = value

ios/Runner/AppDelegate.swift

@@ -63,6 +63,7 @@ final class RunnerFlutterViewController: FlutterViewController {
   func didInitializeImplicitFlutterEngine(_ engineBridge: FlutterImplicitEngineBridge) {
     GeneratedPluginRegistrant.register(with: engineBridge.pluginRegistry)
     registerWirelessDataChannel(engineBridge)
+    registerDeviceIdChannel(engineBridge)
     let channel = FlutterMethodChannel(
       name: "com.stormg.lumadrama/share",
       binaryMessenger: engineBridge.applicationRegistrar.messenger()
@@ -144,6 +145,29 @@ final class RunnerFlutterViewController: FlutterViewController {
     }
   }
 
+  /// 设备标识：IDFV 免权限，卸载本 App 不变，避免客户端自生成的 id 每次重装都变。
+  /// 同通道顺带提供设备区域（ISO-2），注册时作为服务端 IP 解析失败后的兜底。
+  private func registerDeviceIdChannel(_ engineBridge: FlutterImplicitEngineBridge) {
+    let channel = FlutterMethodChannel(
+      name: "com.stormg.lumadrama/device",
+      binaryMessenger: engineBridge.applicationRegistrar.messenger()
+    )
+    channel.setMethodCallHandler { call, result in
+      switch call.method {
+      case "idfv":
+        result(UIDevice.current.identifierForVendor?.uuidString)
+      case "region":
+        if #available(iOS 16.0, *) {
+          result(Locale.current.region?.identifier)
+        } else {
+          result(Locale.current.regionCode)
+        }
+      default:
+        result(FlutterMethodNotImplemented)
+      }
+    }
+  }
+
   private func registerWirelessDataChannel(_ engineBridge: FlutterImplicitEngineBridge) {
     let channel = FlutterMethodChannel(
       name: WirelessDataPrompt.channelName,

ios/Runner/Info.plist

@@ -48,7 +48,7 @@
 					<key>NSIncludesSubdomains</key>
 					<true/>
 				</dict>
-				<key>10.43.47.1</key>
+				<key>192.168.31.243</key>
 				<dict>
 					<key>NSExceptionAllowsInsecureHTTPLoads</key>
 					<true/>

lib/app.dart

@@ -14,6 +14,7 @@ import 'core/data/remote/catalog_api.dart';
 import 'core/data/remote/category_api.dart';
 import 'core/data/remote/comment_api.dart';
 import 'core/data/remote/commerce_api.dart';
+import 'core/data/remote/device_profile.dart';
 import 'core/data/remote/download_api.dart';
 import 'core/data/remote/interaction_api.dart';
 import 'core/data/remote/library_api.dart';
@@ -117,12 +118,13 @@ class _LumaDramaAppState extends State<LumaDramaApp> {
   late final AuthSessionStore _sessionStore = AuthSessionStore();
 
   /// 全 App 共用一个 ApiClient：这样目录、账号、后续的互动/进度请求
-  /// 都自动带 `Authorization` 与 `X-Device-Id`，401 的刷新重试也只有一处实现。
+  /// 都自动带 `Authorization`、`X-Device-Id` 与平台头，401 的刷新重试也只有一处实现。
   late final ApiClient _apiClient = ApiClient(
     accessTokenReader: () => _auth.accessToken,
     tokenRefresher: () => _auth.refresh(),
     onUnauthorized: () => _auth.clear(),
     deviceIdReader: _sessionStore.deviceId,
+    platformReader: clientPlatform,
   );
 
   late final AuthController _auth = AuthController(
@@ -141,17 +143,11 @@ class _LumaDramaAppState extends State<LumaDramaApp> {
 
   late final WatchHistoryRepository _watchHistory =
       widget.watchHistoryRepository ??
-      HttpWatchHistoryRepository(
-        WatchApi(_apiClient),
-        isSignedIn: () => _auth.isSignedIn,
-      );
+      HttpWatchHistoryRepository(WatchApi(_apiClient));
 
   late final FavoriteRepository _favorites =
       widget.favoriteRepository ??
-      HttpFavoriteRepository(
-        LibraryApi(_apiClient),
-        isSignedIn: () => _auth.isSignedIn,
-      );
+      HttpFavoriteRepository(LibraryApi(_apiClient));
 
   late final PlaybackRepository _playback =
       widget.playbackRepository ??
@@ -219,7 +215,7 @@ class _LumaDramaAppState extends State<LumaDramaApp> {
     unawaited(_localeController.load());
     // 登录/登出时同步收藏状态：收藏属于账号，不能跨账号串联
     _auth.addListener(_onAuthChanged);
-    if (_auth.isSignedIn) unawaited(_favoriteController.load());
+    unawaited(_favoriteController.load());
     if (_auth.isSignedIn) unawaited(_walletController.load());
     unawaited(_downloadController.restore());
   }
@@ -235,6 +231,7 @@ class _LumaDramaAppState extends State<LumaDramaApp> {
       unawaited(_walletController.load());
     } else {
       _favoriteController.clear();
+      unawaited(_favoriteController.load());
       _downloadController.reset();
       _walletController.reset();
     }
@@ -293,9 +290,7 @@ class _LumaDramaAppState extends State<LumaDramaApp> {
         ),
         ChangeNotifierProvider(create: (_) => _createCategories()),
         if (playlists != null)
-          ChangeNotifierProvider(
-            create: (_) => PlaylistController(playlists),
-          ),
+          ChangeNotifierProvider(create: (_) => PlaylistController(playlists)),
         ChangeNotifierProvider.value(value: _favoriteController),
         ChangeNotifierProvider.value(value: _downloadController),
         ChangeNotifierProvider.value(value: _walletController),

lib/core/config/app_config.dart

@@ -14,7 +14,7 @@ class AppConfig {
   /// 开发调试默认服务地址，当前指向本机局域网 IP。
   ///
   /// 换网络时只改这一行，地址不要带结尾斜杠。
-  static const String devHostBaseUrl = 'http://10.43.47.1:8081';
+  static const String devHostBaseUrl = 'http://192.168.31.243:8081';
 
   /// 本机后端地址：通过 `adb reverse tcp:8081 tcp:8081` 映射到开发机，
   /// 探测可达时 App 直连本机服务；不可达时回落到公网地址。

lib/core/data/models/drama.dart

@@ -21,6 +21,7 @@ class Episode {
     this.likeCount,
     this.commentCount,
     this.thumbnailsUrl,
+    this.posterUrl,
   });
 
   final String id;
@@ -37,12 +38,14 @@ class Episode {
   final int? likeCount;
   final int? commentCount;
   final String? thumbnailsUrl;
+  final String? posterUrl;
 
   Episode withVideoUrl(
     String url, {
     int? likeCount,
     int? commentCount,
     String? thumbnailsUrl,
+    String? posterUrl,
   }) => Episode(
     id: id,
     number: number,
@@ -54,6 +57,21 @@ class Episode {
     likeCount: likeCount ?? this.likeCount,
     commentCount: commentCount ?? this.commentCount,
     thumbnailsUrl: thumbnailsUrl ?? this.thumbnailsUrl,
+    posterUrl: posterUrl ?? this.posterUrl,
+  );
+
+  Episode withStats({int? likeCount, int? commentCount}) => Episode(
+    id: id,
+    number: number,
+    title: title,
+    isFree: isFree,
+    videoUrl: videoUrl,
+    durationSec: durationSec,
+    locked: locked,
+    likeCount: likeCount ?? this.likeCount,
+    commentCount: commentCount ?? this.commentCount,
+    thumbnailsUrl: thumbnailsUrl,
+    posterUrl: posterUrl,
   );
 
   factory Episode.fromJson(Map<String, dynamic> json) {
@@ -68,6 +86,7 @@ class Episode {
       likeCount: _optionalInt(json['likeCount']),
       commentCount: _optionalInt(json['commentCount']),
       thumbnailsUrl: _optionalString(json['thumbnailsUrl']),
+      posterUrl: _optionalString(json['posterUrl']),
     );
   }
 }
@@ -324,4 +343,4 @@ String _genreText(List<Map<String, String>> types, Object? fallback) {
   final joined = names.join(' / ');
   if (joined.isNotEmpty) return joined;
   return fallback is String ? fallback : '';
-}
+}

lib/core/data/models/episode_stats.dart

@@ -0,0 +1,55 @@
+// Author: fruit.com.cn
+
+import 'json_numbers.dart';
+
+/// 播放页轻量互动计数快照，不包含播放地址或票据信息。
+class EpisodeStats {
+  const EpisodeStats({
+    required this.episodeId,
+    required this.dramaId,
+    required this.likeCount,
+    required this.commentCount,
+    required this.favoriteCount,
+    required this.liked,
+    required this.favorited,
+  });
+
+  final String episodeId;
+  final String dramaId;
+  final int likeCount;
+  final int commentCount;
+  final int favoriteCount;
+  final bool liked;
+  final bool favorited;
+
+  EpisodeStats copyWith({
+    String? dramaId,
+    int? likeCount,
+    int? commentCount,
+    int? favoriteCount,
+    bool? liked,
+    bool? favorited,
+  }) {
+    return EpisodeStats(
+      episodeId: episodeId,
+      dramaId: dramaId ?? this.dramaId,
+      likeCount: likeCount ?? this.likeCount,
+      commentCount: commentCount ?? this.commentCount,
+      favoriteCount: favoriteCount ?? this.favoriteCount,
+      liked: liked ?? this.liked,
+      favorited: favorited ?? this.favorited,
+    );
+  }
+
+  factory EpisodeStats.fromJson(Map<String, dynamic> json) {
+    return EpisodeStats(
+      episodeId: jsonToId(json['episodeId']),
+      dramaId: jsonToId(json['dramaId']),
+      likeCount: jsonToInt(json['likeCount']),
+      commentCount: jsonToInt(json['commentCount']),
+      favoriteCount: jsonToInt(json['favoriteCount']),
+      liked: json['liked'] == true,
+      favorited: json['favorited'] == true,
+    );
+  }
+}

lib/core/data/models/interaction.dart

@@ -58,14 +58,16 @@ class LikeToggleResult {
 
 /// 控制器统一返回结果；失败消息可直接展示后端 `message`。
 class OperationResult<T> {
-  const OperationResult._(this.data, this.errorMessage);
+  const OperationResult._(this.data, this.errorMessage, this.errorCode);
 
-  const OperationResult.success([T? data]) : this._(data, null);
+  const OperationResult.success([T? data]) : this._(data, null, null);
 
-  const OperationResult.failure(this.errorMessage) : data = null;
+  const OperationResult.failure(this.errorMessage, {this.errorCode})
+    : data = null;
 
   final T? data;
   final String? errorMessage;
+  final int? errorCode;
 
   bool get isSuccess => errorMessage == null;
 }

lib/core/data/models/play_ticket.dart

@@ -16,6 +16,7 @@ class PlayTicket {
     this.qualities = const [],
     this.tracks = const [],
     this.thumbnailsUrl,
+    this.posterUrl,
     this.likeCount,
     this.commentCount,
   });
@@ -46,6 +47,7 @@ class PlayTicket {
   /// 各档签名地址。AUTO 是主列表，点选其它档位时换成对应地址。
   final List<PlayQualityTrack> tracks;
   final String? thumbnailsUrl;
+  final String? posterUrl;
   final int? likeCount;
   final int? commentCount;
 
@@ -70,6 +72,7 @@ class PlayTicket {
           .toList(),
       tracks: _tracks(json['tracks'], json['playUrl'] as String? ?? ''),
       thumbnailsUrl: _optionalString(json['thumbnailsUrl']),
+      posterUrl: _optionalString(json['posterUrl']),
       likeCount: json['likeCount'] == null
           ? null
           : jsonToInt(json['likeCount']),

lib/core/data/remote/api_client.dart

@@ -24,6 +24,7 @@ class ApiClient {
     this.tokenRefresher,
     this.onUnauthorized,
     this.deviceIdReader,
+    this.platformReader,
   }) : _fixedBaseUrl = baseUrl {
     _dio = Dio(
       BaseOptions(
@@ -40,6 +41,7 @@ class ApiClient {
       AuthHeaderInterceptor(
         accessTokenReader: accessTokenReader,
         deviceIdReader: deviceIdReader,
+        platformReader: platformReader,
       ),
       const EnvelopeInterceptor(),
       NetworkLogInterceptor(),
@@ -67,6 +69,9 @@ class ApiClient {
   /// 设备号（`X-Device-Id`）：注册风控、后续下载绑定都要用
   final Future<String> Function()? deviceIdReader;
 
+  /// 客户端平台（`X-Client-Platform`）：后台区分 iOS / Android
+  final String Function()? platformReader;
+
   Future<Object?> get(String path, {Map<String, String>? query}) {
     return _request('GET', path, query: query);
   }

lib/core/data/remote/api_interceptors.dart

@@ -32,7 +32,11 @@ class TokenExpiredException implements Exception {
 ///
 /// 每个请求都重新取一次令牌，所以刷新成功后重发的那次会自动带上新令牌。
 class AuthHeaderInterceptor extends Interceptor {
-  AuthHeaderInterceptor({this.accessTokenReader, this.deviceIdReader});
+  AuthHeaderInterceptor({
+    this.accessTokenReader,
+    this.deviceIdReader,
+    this.platformReader,
+  });
 
   /// 当前 access token；未登录返回 null 或空串。
   final String? Function()? accessTokenReader;
@@ -40,6 +44,9 @@ class AuthHeaderInterceptor extends Interceptor {
   /// 设备号（`X-Device-Id`）：注册风控、下载绑定都用它。
   final Future<String> Function()? deviceIdReader;
 
+  /// 客户端平台（`X-Client-Platform`）：后台区分 iOS / Android，匿名请求同样要带。
+  final String Function()? platformReader;
+
   @override
   Future<void> onRequest(
     RequestOptions options,
@@ -54,6 +61,10 @@ class AuthHeaderInterceptor extends Interceptor {
     if (deviceId != null && deviceId.isNotEmpty) {
       options.headers['X-Device-Id'] = deviceId;
     }
+    final platform = platformReader?.call() ?? '';
+    if (platform.isNotEmpty) {
+      options.headers['X-Client-Platform'] = platform;
+    }
     handler.next(options);
   }
 }

lib/core/data/remote/auth_api.dart

@@ -56,6 +56,7 @@ class AuthApi {
     required String target,
     required String code,
     required String deviceId,
+    String countryCode = '',
     String platform = '',
     String osVersion = '',
     String appVersion = '',
@@ -66,6 +67,7 @@ class AuthApi {
         'targetType': 'PHONE',
         'target': target,
         'code': code,
+        'countryCode': countryCode,
         'deviceId': deviceId,
         'platform': platform,
         'osVersion': osVersion,
@@ -79,6 +81,7 @@ class AuthApi {
     required String email,
     required String password,
     required String deviceId,
+    String countryCode = '',
     String platform = '',
     String osVersion = '',
     String appVersion = '',
@@ -89,7 +92,7 @@ class AuthApi {
         'targetType': 'EMAIL',
         'target': email,
         'password': password,
-        'countryCode': 'ID',
+        'countryCode': countryCode,
         'deviceId': deviceId,
         'platform': platform,
         'osVersion': osVersion,
@@ -134,6 +137,7 @@ class AuthApi {
         'platform': platform,
         'osVersion': osVersion,
       },
+      skipAuthRetry: true,
     );
     return AuthSession.fromJson((data as Map).cast<String, dynamic>());
   }

lib/core/data/remote/device_profile.dart

@@ -0,0 +1,15 @@
+// Author: fruit.com.cn
+
+import 'dart:io' show Platform;
+
+import 'package:flutter/foundation.dart';
+
+/// 客户端平台，后台只用来区分 iOS / Android。
+///
+/// 系统版本、机型一律不上报：后台列表需要的只是「这台设备是安卓还是苹果」。
+String clientPlatform() {
+  if (kIsWeb) return 'WEB';
+  if (Platform.isAndroid) return 'ANDROID';
+  if (Platform.isIOS) return 'IOS';
+  return '';
+}

lib/core/data/remote/playback_api.dart

@@ -1,5 +1,6 @@
 // Author: fruit.com.cn
 
+import '../models/episode_stats.dart';
 import '../models/play_ticket.dart';
 import 'api_client.dart';
 
@@ -17,4 +18,11 @@ class PlaybackApi {
     if (data is Map<String, dynamic>) return PlayTicket.fromJson(data);
     throw const ApiException(-1, '返回数据格式异常');
   }
+
+  /// 轻量刷新互动计数：不签发地址，也不占用播放票据缓存。
+  Future<EpisodeStats> episodeStats(String episodeId) async {
+    final data = await _client.get('/app/episodes/$episodeId/stats');
+    if (data is Map<String, dynamic>) return EpisodeStats.fromJson(data);
+    throw const ApiException(-1, '返回数据格式异常');
+  }
 }

lib/core/data/remote/watch_api.dart

@@ -4,7 +4,7 @@ import '../models/page_result.dart';
 import '../models/watch_progress.dart';
 import 'api_client.dart';
 
-/// 观看进度接口：`/app/watch/*`（契约 §1.5）。全部需要登录态。
+/// 观看进度接口：`/app/watch/*`（契约 §1.5）。支持账号或设备身份。
 class WatchApi {
   const WatchApi(this._client);
 

lib/core/data/repositories/favorite_repository.dart

@@ -19,21 +19,15 @@ abstract interface class FavoriteRepository {
 }
 
 class HttpFavoriteRepository implements FavoriteRepository {
-  const HttpFavoriteRepository(this._api, {this.isSignedIn});
+  const HttpFavoriteRepository(this._api);
 
   final LibraryApi _api;
 
-  /// 未登录时不请求：收藏属于账号，匿名浏览时列表按空处理（点收藏按钮会先引导登录）。
-  final bool Function()? isSignedIn;
-
-  bool get _signedIn => isSignedIn?.call() ?? true;
-
   @override
   Future<bool> toggle(String dramaId) => _api.toggleFavorite(dramaId);
 
   @override
   Future<PageResult<Drama>> page({int pageIndex = 1, int pageSize = 20}) async {
-    if (!_signedIn) return const PageResult();
     return _api.favorites(pageIndex: pageIndex, pageSize: pageSize);
   }
 

lib/core/data/repositories/playback_repository.dart

@@ -1,5 +1,6 @@
 // Author: fruit.com.cn
 
+import '../models/episode_stats.dart';
 import '../models/play_ticket.dart';
 import '../remote/playback_api.dart';
 
@@ -10,6 +11,9 @@ import '../remote/playback_api.dart';
 abstract interface class PlaybackRepository {
   Future<PlayTicket> ticketFor(String episodeId, {bool forceRefresh = false});
 
+  /// 读取互动计数快照；与 [ticketFor] 分离，避免为了刷新计数重新签发地址。
+  Future<EpisodeStats> episodeStats(String episodeId);
+
   /// 当前缓存的票据是否还在有效期内（用于"回前台发现过期就重新取"）。
   bool isFresh(String episodeId);
 }
@@ -42,6 +46,10 @@ class HttpPlaybackRepository implements PlaybackRepository {
     return ticket;
   }
 
+  @override
+  Future<EpisodeStats> episodeStats(String episodeId) =>
+      _api.episodeStats(episodeId);
+
   @override
   bool isFresh(String episodeId) {
     final cached = _cache[episodeId];
@@ -65,11 +73,22 @@ class _CachedTicket {
 
 /// 测试与离线场景用：按集返回固定票据，并记录被请求过几次。
 class FakePlaybackRepository implements PlaybackRepository {
-  FakePlaybackRepository({this.ticket, this.error, this.fresh = true});
+  FakePlaybackRepository({
+    this.ticket,
+    this.error,
+    this.fresh = true,
+    this.stats,
+    this.statsError,
+    Map<String, EpisodeStats>? statsByEpisode,
+  }) : statsByEpisode = statsByEpisode ?? {};
 
   PlayTicket? ticket;
   Object? error;
+  EpisodeStats? stats;
+  Object? statsError;
+  final Map<String, EpisodeStats> statsByEpisode;
   final List<String> requests = [];
+  final List<String> statsRequests = [];
   final List<bool> forced = [];
 
   /// 模拟"票据是否还有效"：置 false 可验证回前台会重新取。
@@ -95,4 +114,13 @@ class FakePlaybackRepository implements PlaybackRepository {
           qualities: const ['AUTO', '720P', '1080P'],
         );
   }
+
+  @override
+  Future<EpisodeStats> episodeStats(String episodeId) async {
+    statsRequests.add(episodeId);
+    if (statsError != null) throw statsError!;
+    final value = statsByEpisode[episodeId] ?? stats;
+    if (value != null) return value;
+    throw StateError('episode stats not configured for $episodeId');
+  }
 }

lib/core/data/repositories/watch_history_repository.dart

@@ -35,18 +35,12 @@ abstract interface class WatchHistoryRepository {
 }
 
 class HttpWatchHistoryRepository implements WatchHistoryRepository {
-  const HttpWatchHistoryRepository(this._api, {this.isSignedIn});
+  const HttpWatchHistoryRepository(this._api);
 
   final WatchApi _api;
 
-  /// 未登录时这些接口必然 401：直接短路成"没有记录"，让浏览/试看保持匿名可用。
-  final bool Function()? isSignedIn;
-
-  bool get _signedIn => isSignedIn?.call() ?? true;
-
   @override
   Future<WatchProgress?> progressFor(String dramaId) async {
-    if (!_signedIn) return null;
     return _api.progressOfDrama(dramaId);
   }
 
@@ -57,7 +51,6 @@ class HttpWatchHistoryRepository implements WatchHistoryRepository {
     Duration? duration,
     bool finished = false,
   }) async {
-    if (!_signedIn) return null;
     return _api.saveProgress(
       episodeId: episodeId,
       position: position,
@@ -71,19 +64,16 @@ class HttpWatchHistoryRepository implements WatchHistoryRepository {
     int pageIndex = 1,
     int pageSize = 20,
   }) async {
-    if (!_signedIn) return const PageResult();
     return _api.recent(pageIndex: pageIndex, pageSize: pageSize);
   }
 
   @override
   Future<void> remove(String dramaId) async {
-    if (!_signedIn) return;
     await _api.removeProgress(dramaId);
   }
 
   @override
   Future<void> clear() async {
-    if (!_signedIn) return;
     await _api.clearProgress();
   }
 }

lib/core/data/services/all_dramas_controller.dart

@@ -66,7 +66,7 @@ class AllDramasController {
     this.categories = const [],
     this.tags = const [],
     this.dramas = const [],
-  }) : _api = api;
+  }) : _api = api; // ignore: prefer_initializing_formals
 
   final AllDramasRemote? _api;
   List<ContentCategory> classifications;

lib/core/data/services/auth_controller.dart

@@ -48,6 +48,7 @@ class AuthController extends ChangeNotifier {
       email: email,
       password: password,
       deviceId: await _store.deviceId(),
+      countryCode: await _store.deviceRegion(),
       platform: _platform,
       osVersion: _osVersion,
     );
@@ -95,6 +96,7 @@ class AuthController extends ChangeNotifier {
       target: target,
       code: code,
       deviceId: await _store.deviceId(),
+      countryCode: await _store.deviceRegion(),
       platform: _platform,
       osVersion: _osVersion,
     );

lib/core/data/services/auth_session_store.dart

@@ -4,6 +4,7 @@ import 'dart:math';
 import 'package:shared_preferences/shared_preferences.dart';
 
 import '../models/auth_session.dart';
+import 'device_id_provider.dart';
 
 /// 令牌与设备号的本地持久化。
 ///
@@ -11,13 +12,17 @@ import '../models/auth_session.dart';
 /// `SharedPreferences.getInstance()` 在新版本里已标注弃用，两套混用还会让
 /// widget 测试只 mock 到其中一套。
 ///
-/// 设备号是后端注册风控与后续"下载设备绑定"的依据，所以**首次生成后就固定下来**；
-/// 不引 UUID 库（保持极简依赖），用「时间戳 + 随机数」拼一个够用的 id。
+/// 设备号优先取系统标识（Android SSAID / iOS IDFV），这样卸载重装后还是同一台设备；
+/// 系统标识不可用时才回退到本地生成并持久化的 UUID，保证任何环境都能跑。
 class AuthSessionStore {
-  AuthSessionStore({SharedPreferencesAsync? preferences})
-    : _preferences = preferences ?? SharedPreferencesAsync();
+  AuthSessionStore({
+    SharedPreferencesAsync? preferences,
+    DeviceIdProvider? deviceIdProvider,
+  }) : _preferences = preferences ?? SharedPreferencesAsync(),
+       _deviceIdProvider = deviceIdProvider ?? DeviceIdProvider();
 
   final SharedPreferencesAsync _preferences;
+  final DeviceIdProvider _deviceIdProvider;
 
   static const _kAccessToken = 'auth.accessToken';
   static const _kRefreshToken = 'auth.refreshToken';
@@ -25,21 +30,46 @@ class AuthSessionStore {
   static const _kDeviceId = 'device.id';
 
   String? _cachedDeviceId;
+  String? _cachedRegion;
 
   Future<String> deviceId() async {
     if (_cachedDeviceId != null) return _cachedDeviceId!;
-    var value = await _preferences.getString(_kDeviceId) ?? '';
-    if (value.isEmpty) {
-      final random = Random();
-      value =
-          'd-${DateTime.now().millisecondsSinceEpoch.toRadixString(36)}-'
-          '${random.nextInt(1 << 32).toRadixString(36)}';
-      await _preferences.setString(_kDeviceId, value);
-    }
+    final systemId = await _deviceIdProvider.systemDeviceId();
+    final value = systemId ?? await _localDeviceId();
     _cachedDeviceId = value;
     return value;
   }
 
+  /// 设备区域（ISO-2），取不到返回空串；只在注册时作为服务端 IP 解析失败后的兜底。
+  Future<String> deviceRegion() async {
+    if (_cachedRegion != null) return _cachedRegion!;
+    final value = await _deviceIdProvider.deviceRegion() ?? '';
+    _cachedRegion = value;
+    return value;
+  }
+
+  /// 系统标识取不到时的兜底：本地 UUIDv4，生成一次后固定下来。
+  Future<String> _localDeviceId() async {
+    final stored = await _preferences.getString(_kDeviceId) ?? '';
+    if (stored.isNotEmpty) return stored;
+    final generated = 'd-${_uuidV4()}';
+    await _preferences.setString(_kDeviceId, generated);
+    return generated;
+  }
+
+  /// UUIDv4：122 位随机，碰撞概率可忽略，不引第三方依赖。
+  String _uuidV4() {
+    final random = Random.secure();
+    final bytes = List<int>.generate(16, (_) => random.nextInt(256));
+    bytes[6] = (bytes[6] & 0x0f) | 0x40;
+    bytes[8] = (bytes[8] & 0x3f) | 0x80;
+    String hex(int start, int end) => bytes
+        .sublist(start, end)
+        .map((byte) => byte.toRadixString(16).padLeft(2, '0'))
+        .join();
+    return '${hex(0, 4)}-${hex(4, 6)}-${hex(6, 8)}-${hex(8, 10)}-${hex(10, 16)}';
+  }
+
   Future<AuthSession?> read() async {
     final accessToken = await _preferences.getString(_kAccessToken) ?? '';
     final refreshToken = await _preferences.getString(_kRefreshToken) ?? '';

lib/core/data/services/comment_controller.dart

@@ -197,7 +197,10 @@ class CommentController extends ChangeNotifier {
       _insertPublished(comment, replyTo);
       return OperationResult.success(comment);
     } catch (failure) {
-      return OperationResult.failure(_errorMessage(failure));
+      return OperationResult.failure(
+        _errorMessage(failure),
+        errorCode: failure is ApiException ? failure.code : null,
+      );
     } finally {
       submitting = false;
       _notify();
@@ -217,7 +220,10 @@ class CommentController extends ChangeNotifier {
       return const OperationResult.success();
     } catch (failure) {
       _restoreComment(comment, location);
-      return OperationResult.failure(_errorMessage(failure));
+      return OperationResult.failure(
+        _errorMessage(failure),
+        errorCode: failure is ApiException ? failure.code : null,
+      );
     } finally {
       _deletingCommentIds.remove(comment.id);
       _notify();
@@ -253,7 +259,10 @@ class CommentController extends ChangeNotifier {
       return OperationResult.success(result);
     } catch (failure) {
       _replaceComment(current);
-      return OperationResult.failure(_errorMessage(failure));
+      return OperationResult.failure(
+        _errorMessage(failure),
+        errorCode: failure is ApiException ? failure.code : null,
+      );
     } finally {
       _likingCommentIds.remove(comment.id);
       _notify();
@@ -277,7 +286,10 @@ class CommentController extends ChangeNotifier {
       );
       return OperationResult.success(reportId);
     } catch (failure) {
-      return OperationResult.failure(_errorMessage(failure));
+      return OperationResult.failure(
+        _errorMessage(failure),
+        errorCode: failure is ApiException ? failure.code : null,
+      );
     }
   }
 

lib/core/data/services/device_id_provider.dart

@@ -0,0 +1,50 @@
+// Author: fruit.com.cn
+
+import 'dart:io' show Platform;
+
+import 'package:flutter/foundation.dart';
+import 'package:flutter/services.dart';
+
+/// 读取系统级设备标识，两端都不需要任何权限。
+///
+/// - Android：SSAID（`Settings.Secure.ANDROID_ID`），卸载重装不变；
+/// - iOS：IDFV（`identifierForVendor`），卸载本 App 不变，同厂商应用全删才会变。
+///
+/// 两端都由原生侧提供，不引插件：项目 iOS 走 SPM，避免混入 CocoaPods。
+/// 取不到（Web、测试环境、通道异常）时返回 null，由调用方回退到本地生成的 id。
+class DeviceIdProvider {
+  static const MethodChannel _channel = MethodChannel(
+    'com.stormg.lumadrama/device',
+  );
+
+  Future<String?> systemDeviceId() async {
+    if (kIsWeb) return null;
+    try {
+      if (Platform.isAndroid) {
+        final ssaid = await _channel.invokeMethod<String>('ssaid');
+        if (ssaid != null && ssaid.isNotEmpty) return 'a-$ssaid';
+      }
+      if (Platform.isIOS) {
+        final idfv = await _channel.invokeMethod<String>('idfv');
+        if (idfv != null && idfv.isNotEmpty) return 'i-$idfv';
+      }
+    } catch (_) {
+      // 原生通道不可用（widget 测试）时走本地兜底
+    }
+    return null;
+  }
+
+  /// 设备所在区域（ISO-2），仅用于服务端 IP 解析失败时兜底注册国家。
+  /// Android 依次取网络运营商 / SIM 卡 / 系统语言的国家，iOS 取系统 region。
+  Future<String?> deviceRegion() async {
+    if (kIsWeb) return null;
+    try {
+      final region = await _channel.invokeMethod<String>('region');
+      final value = region?.trim().toUpperCase() ?? '';
+      if (value.length == 2) return value;
+    } catch (_) {
+      // 原生通道不可用（widget 测试）时返回 null，由服务端兜底
+    }
+    return null;
+  }
+}

lib/core/data/services/favorite_controller.dart

@@ -3,6 +3,7 @@
 import 'package:flutter/foundation.dart';
 
 import '../models/drama.dart';
+import '../remote/api_client.dart';
 import '../repositories/favorite_repository.dart';
 
 /// 收藏状态：**以服务端为准**。
@@ -17,6 +18,7 @@ class FavoriteController extends ChangeNotifier {
   final FavoriteRepository _repository;
   final int pageSize;
   final Set<String> _saved = {};
+  final Map<String, int> _favoriteCounts = {};
   List<Drama> cards = const [];
   int total = 0;
   bool loading = false;
@@ -24,6 +26,7 @@ class FavoriteController extends ChangeNotifier {
   bool hasMore = false;
   String? error;
   String? loadMoreError;
+  int? lastErrorCode;
   int _pageIndex = 0;
   int _requestSeq = 0;
   bool _disposed = false;
@@ -32,6 +35,53 @@ class FavoriteController extends ChangeNotifier {
 
   bool isSaved(String dramaId) => _saved.contains(dramaId);
 
+  /// 当前剧收藏数；包含本地 toggle 增量。
+  int? favoriteCount(String dramaId) => _favoriteCounts[dramaId];
+
+  /// 首次展示时缓存卡片基数；之后统一由本控制器维护，避免页面各存一份。
+  int? favoriteCountFor(Drama drama) {
+    final current = _favoriteCounts[drama.id];
+    if (current != null) return current;
+    final fallback = drama.favoriteCount;
+    if (fallback == null) return null;
+    final normalized = fallback < 0 ? 0 : fallback;
+    _favoriteCounts[drama.id] = normalized;
+    return normalized;
+  }
+
+  /// 用 stats/detail 的服务端快照校准唯一状态和计数。
+  void applyServerState(
+    String dramaId, {
+    required bool saved,
+    int? favoriteCount,
+  }) {
+    var changed = _saved.contains(dramaId) != saved;
+    if (saved) {
+      _saved.add(dramaId);
+    } else {
+      _saved.remove(dramaId);
+    }
+    if (favoriteCount != null) {
+      final normalized = favoriteCount < 0 ? 0 : favoriteCount;
+      changed = changed || _favoriteCounts[dramaId] != normalized;
+      _favoriteCounts[dramaId] = normalized;
+    }
+    if (changed) notify();
+  }
+
+  /// 详情等只有计数、没有当前收藏状态的接口使用。
+  void applyServerCount(
+    String dramaId,
+    int? favoriteCount, {
+    bool notify = true,
+  }) {
+    if (favoriteCount == null) return;
+    final normalized = favoriteCount < 0 ? 0 : favoriteCount;
+    if (_favoriteCounts[dramaId] == normalized) return;
+    _favoriteCounts[dramaId] = normalized;
+    if (notify) this.notify();
+  }
+
   void notify() {
     if (!_disposed) notifyListeners();
   }
@@ -43,6 +93,7 @@ class FavoriteController extends ChangeNotifier {
     loadingMore = false;
     error = null;
     loadMoreError = null;
+    lastErrorCode = null;
     notify();
     try {
       final page = await _repository.page(pageIndex: 1, pageSize: pageSize);
@@ -52,12 +103,14 @@ class FavoriteController extends ChangeNotifier {
       _saved
         ..clear()
         ..addAll(list.map((drama) => drama.id));
+      _rememberCardCounts(list);
       total = page.total;
       _pageIndex = 1;
       hasMore = page.list.isNotEmpty && cards.length < total;
-    } catch (_) {
+    } catch (failure) {
       if (!_disposed && request == _requestSeq) {
         error = 'favoritesError';
+        if (failure is ApiException) lastErrorCode = failure.code;
       }
     } finally {
       if (!_disposed && request == _requestSeq) {
@@ -73,6 +126,7 @@ class FavoriteController extends ChangeNotifier {
     final request = ++_requestSeq;
     loadingMore = true;
     loadMoreError = null;
+    lastErrorCode = null;
     notify();
     try {
       final page = await _repository.page(
@@ -86,12 +140,14 @@ class FavoriteController extends ChangeNotifier {
       ).where((drama) => known.add(drama.id)).toList(growable: false);
       cards = [...cards, ...appended];
       _saved.addAll(appended.map((drama) => drama.id));
+      _rememberCardCounts(appended);
       total = page.total;
       _pageIndex += 1;
       hasMore = page.list.isNotEmpty && cards.length < total;
-    } catch (_) {
+    } catch (failure) {
       if (!_disposed && request == _requestSeq) {
         loadMoreError = 'favoritesError';
+        if (failure is ApiException) lastErrorCode = failure.code;
       }
     } finally {
       if (!_disposed && request == _requestSeq) {
@@ -101,18 +157,23 @@ class FavoriteController extends ChangeNotifier {
     }
   }
 
-  /// 未登录时不要调用（服务端要求登录态）。
+  /// 每次切换都以接口状态为准；匿名请求由设备号归属。
   ///
   /// [card] 是当前剧的卡片（播放页/详情页手上就有）：收藏成功时直接放进列表，
   /// 这样"收藏完打开我的收藏"能立刻看到，不必等下一次整表刷新。
   Future<bool> toggle(String dramaId, {Drama? card}) async {
+    lastErrorCode = null;
     final wasSaved = _saved.contains(dramaId);
+    final previousCount = card == null
+        ? favoriteCount(dramaId)
+        : favoriteCountFor(card);
     final previousCards = cards;
     final previousTotal = total;
     final previousHasMore = hasMore;
     // 乐观更新
     if (wasSaved) {
       _saved.remove(dramaId);
+      _stepCount(dramaId, -1);
       if (cards.any((drama) => drama.id == dramaId)) {
         cards = cards.where((drama) => drama.id != dramaId).toList();
         total = total > 0 ? total - 1 : 0;
@@ -120,6 +181,7 @@ class FavoriteController extends ChangeNotifier {
       }
     } else {
       _saved.add(dramaId);
+      _stepCount(dramaId, 1);
     }
     notify();
     try {
@@ -128,6 +190,7 @@ class FavoriteController extends ChangeNotifier {
       if (saved) {
         _saved.add(dramaId);
         if (wasSaved) {
+          _restoreCount(dramaId, previousCount);
           cards = previousCards;
           total = previousTotal;
           hasMore = previousHasMore;
@@ -138,6 +201,9 @@ class FavoriteController extends ChangeNotifier {
         }
       } else {
         _saved.remove(dramaId);
+        if (!wasSaved) {
+          _restoreCount(dramaId, previousCount);
+        }
         if (cards.any((drama) => drama.id == dramaId)) {
           cards = cards.where((drama) => drama.id != dramaId).toList();
           total = total > 0 ? total - 1 : 0;
@@ -146,7 +212,7 @@ class FavoriteController extends ChangeNotifier {
       }
       notify();
       return true;
-    } catch (_) {
+    } catch (failure) {
       // 回滚
       cards = previousCards;
       total = previousTotal;
@@ -156,7 +222,9 @@ class FavoriteController extends ChangeNotifier {
       } else {
         _saved.remove(dramaId);
       }
+      _restoreCount(dramaId, previousCount);
       notify();
+      if (failure is ApiException) lastErrorCode = failure.code;
       return false;
     }
   }
@@ -170,9 +238,13 @@ class FavoriteController extends ChangeNotifier {
     final previousHasMore = hasMore;
     final removed = cards.where((drama) => ids.contains(drama.id)).toList();
     if (removed.isEmpty) return true;
+    final previousCounts = {
+      for (final drama in removed) drama.id: _favoriteCounts[drama.id],
+    };
     cards = cards.where((drama) => !ids.contains(drama.id)).toList();
     for (final id in ids) {
       _saved.remove(id);
+      _stepCount(id, -1);
     }
     total = total > removed.length ? total - removed.length : 0;
     hasMore = cards.length < total;
@@ -187,6 +259,9 @@ class FavoriteController extends ChangeNotifier {
       for (final drama in removed) {
         _saved.add(drama.id);
       }
+      for (final entry in previousCounts.entries) {
+        _restoreCount(entry.key, entry.value);
+      }
       notify();
       return false;
     }
@@ -197,7 +272,9 @@ class FavoriteController extends ChangeNotifier {
     final index = cards.indexWhere((drama) => drama.id == dramaId);
     if (index < 0) return true;
     final removed = cards[index];
+    final previousCount = _favoriteCounts[dramaId];
     _saved.remove(dramaId);
+    _stepCount(dramaId, -1);
     final next = [...cards]..removeAt(index);
     cards = next;
     total = total > 0 ? total - 1 : 0;
@@ -214,6 +291,7 @@ class FavoriteController extends ChangeNotifier {
       );
       cards = restored;
       _saved.add(dramaId);
+      _restoreCount(dramaId, previousCount);
       total += 1;
       hasMore = cards.length < total;
       notify();
@@ -244,6 +322,30 @@ class FavoriteController extends ChangeNotifier {
     ];
   }
 
+  void _rememberCardCounts(List<Drama> dramas) {
+    for (final drama in dramas) {
+      final count = drama.favoriteCount;
+      if (count != null && !_favoriteCounts.containsKey(drama.id)) {
+        _favoriteCounts[drama.id] = count < 0 ? 0 : count;
+      }
+    }
+  }
+
+  void _stepCount(String dramaId, int delta) {
+    final current = _favoriteCounts[dramaId];
+    if (current == null) return;
+    final next = current + delta;
+    _favoriteCounts[dramaId] = next < 0 ? 0 : next;
+  }
+
+  void _restoreCount(String dramaId, int? count) {
+    if (count == null) {
+      _favoriteCounts.remove(dramaId);
+    } else {
+      _favoriteCounts[dramaId] = count;
+    }
+  }
+
   @override
   void dispose() {
     _disposed = true;

lib/core/data/services/home_feed_controller.dart

@@ -33,6 +33,7 @@ class HomeFeedController extends ChangeNotifier {
   String? get cursor => _state(_channel).cursor;
   bool get hasMore => _state(_channel).hasMore;
   bool get loaded => _state(_channel).loaded;
+  bool get isLoading => _state(_channel).loading;
   bool get loadingMore => _state(_channel).loadingMore;
   bool get loadingFirstPage => !loaded && _state(_channel).loading;
 

lib/core/data/services/interaction_controller.dart

@@ -40,6 +40,24 @@ class InteractionController extends ChangeNotifier {
   /// 该集服务端最新点赞数。
   int? episodeLikeCount(String episodeId) => _episodeLikeCounts[episodeId];
 
+  /// 用轻量统计快照校准当前用户的分集点赞状态与计数。
+  void applyEpisodeStats(
+    String episodeId, {
+    required bool liked,
+    required int likeCount,
+  }) {
+    final changed =
+        _likedEpisodeIds.contains(episodeId) != liked ||
+        _episodeLikeCounts[episodeId] != likeCount;
+    if (liked) {
+      _likedEpisodeIds.add(episodeId);
+    } else {
+      _likedEpisodeIds.remove(episodeId);
+    }
+    _episodeLikeCounts[episodeId] = likeCount;
+    if (changed) _notify();
+  }
+
   /// 乐观切换剧集点赞，失败时回滚并以服务端返回状态校准。
   Future<OperationResult<LikeToggleResult>> toggleDramaLike(String dramaId) =>
       _toggleLike(
@@ -97,7 +115,10 @@ class InteractionController extends ChangeNotifier {
       } else {
         likedIds.remove(id);
       }
-      return OperationResult.failure(_errorMessage(failure));
+      return OperationResult.failure(
+        _errorMessage(failure),
+        errorCode: failure is ApiException ? failure.code : null,
+      );
     } finally {
       busyIds.remove(id);
       _notify();
@@ -121,7 +142,10 @@ class InteractionController extends ChangeNotifier {
       );
       return OperationResult.success(reportId);
     } catch (failure) {
-      return OperationResult.failure(_errorMessage(failure));
+      return OperationResult.failure(
+        _errorMessage(failure),
+        errorCode: failure is ApiException ? failure.code : null,
+      );
     }
   }
 

lib/core/data/services/playback_neighbors.dart

@@ -13,14 +13,40 @@ class PlaybackCoordinator {
   Future<bool> _acquire(PlaybackSession session, bool Function() valid) {
     final result = _handoff.then((_) async {
       if (!valid()) return false;
+      final previous = _owner;
+      if (kDebugMode) {
+        debugPrint(
+          '[player-coordinator] phase=acquire '
+          'session=${identityHashCode(session)} owner=${session.owner.name} '
+          'previous=${previous == null ? '-' : identityHashCode(previous)} '
+          'previousOwner=${previous?.owner.name ?? '-'} '
+          'previousLive=${previous?.livePlayerCount ?? 0} '
+          'same=${identical(previous, session)}',
+        );
+      }
       if (_owner != session) {
-        final previous = _owner;
+        if (previous != null && previous.owner != session.owner) {
+          if (kDebugMode) {
+            debugPrint(
+              '[player-owner] phase=reject-coordinator-handoff '
+              'owner=${session.owner.name} '
+              'activeOwner=${previous.owner.name}',
+            );
+          }
+          return false;
+        }
         await previous?._releasePlayers();
         if (previous != null && previous.livePlayerCount != 0) return false;
         _owner = null;
         if (!valid()) return false;
         _owner = session;
       }
+      if (kDebugMode) {
+        debugPrint(
+          '[player-coordinator] phase=acquired '
+          'session=${identityHashCode(session)} live=${session.livePlayerCount}',
+        );
+      }
       return true;
     });
     _handoff = result.then<void>((_) {});
@@ -49,13 +75,21 @@ Future<void> _parkNeighbors(
   _PlayerSlot? warmNext,
   _PlayerSlot? warmPrevious,
 ) async {
-  await _placeNeighbor(session, old);
-  await _placeNeighbor(session, warmNext);
-  await _placeNeighbor(session, warmPrevious);
+  await _placeNeighbor(session, old, roleHint: 'old-current');
+  await _placeNeighbor(session, warmNext, roleHint: 'next');
+  await _placeNeighbor(session, warmPrevious, roleHint: 'previous');
 }
 
-Future<void> _placeNeighbor(PlaybackSession session, _PlayerSlot? slot) async {
+Future<void> _placeNeighbor(
+  PlaybackSession session,
+  _PlayerSlot? slot, {
+  required String roleHint,
+}) async {
   if (slot == null || slot == session._active || slot.retiring) return;
+  if (slot.owner != session.owner) {
+    session._logOwnerRejection('park', slot);
+    return;
+  }
   if (session._next == null && slot.index == session._nextIndex) {
     session._next = slot;
     return;
@@ -64,18 +98,22 @@ Future<void> _placeNeighbor(PlaybackSession session, _PlayerSlot? slot) async {
     session._previous = slot;
     return;
   }
-  await session._retire(slot);
+  await session._retire(slot, trigger: 'park-neighbor', roleHint: roleHint);
 }
 
-/// 当前集已经出画后，静默准备上一集和下一集。
-void _warmNeighbors(PlaybackSession session) {
+/// 当前集已经出画后，按手势方向静默准备上一集和下一集。
+void _warmNeighbors(PlaybackSession session, {bool preferredNext = true}) {
   final request = session._generation;
-  session._preloadTask = () async {
-    await Future.wait([
-      _warmOne(session, request, session._nextIndex, next: true),
-      _warmOne(session, request, session._previousIndex, next: false),
-    ]);
-  }();
+  final nextTask = _warmOne(session, request, session._nextIndex, next: true);
+  final previousTask = _warmOne(
+    session,
+    request,
+    session._previousIndex,
+    next: false,
+  );
+  session._preloadTask = Future.wait(
+    preferredNext ? [nextTask, previousTask] : [previousTask, nextTask],
+  ).then<void>((_) {});
 }
 
 Future<void> _warmOne(
@@ -100,7 +138,11 @@ Future<void> _warmOne(
   await session._enqueue(() async {
     if (!_stillHeld(session, candidate, next: next)) return;
     _clearNeighbor(session, next: next);
-    await session._retire(candidate);
+    await session._retire(
+      candidate,
+      trigger: 'warm-failure',
+      roleHint: next ? 'next' : 'previous',
+    );
   });
 }
 
@@ -117,7 +159,11 @@ Future<_PlayerSlot?> _allocateNeighbor(
     final current = next ? session._next : session._previous;
     if (!allowed || current?.index != index) {
       _clearNeighbor(session, next: next);
-      await session._retire(current);
+      await session._retire(
+        current,
+        trigger: 'warm-slot-invalid',
+        roleHint: next ? 'next' : 'previous',
+      );
     }
     if (!_canAllocate(session, request, allowed: allowed, next: next)) {
       return;

lib/core/data/services/playback_session.dart

@@ -8,6 +8,7 @@ import '../models/player_port.dart';
 import 'video_player_port.dart';
 
 part 'playback_neighbors.dart';
+part 'playback_session_controls.dart';
 
 /// 新纹理第一帧常是黑的，旧画面只盖住这一小段。
 const Duration _qualityHandoffHold = Duration(milliseconds: 200);
@@ -16,6 +17,8 @@ typedef PlayerFactory = PlayerPort Function(Episode episode);
 typedef PlayerPreparation =
     Future<void> Function(Episode episode, PlayerPort player);
 
+enum PlaybackSessionOwner { home, player }
+
 /// Owns current plus previous/next frames; allocation stays serialized.
 class PlaybackSession extends ChangeNotifier {
   PlaybackSession({
@@ -26,6 +29,8 @@ class PlaybackSession extends ChangeNotifier {
     this.activate,
     PlaybackCoordinator? coordinator,
     this.waitForFrame,
+    this.owner = PlaybackSessionOwner.player,
+    this.dramaIdAt,
   }) : _coordinator = coordinator ?? PlaybackCoordinator();
 
   final List<Episode> episodes;
@@ -38,6 +43,8 @@ class PlaybackSession extends ChangeNotifier {
   /// Runs only when a slot becomes current (e.g. progress listeners).
   final PlayerPreparation? activate;
   final Future<void> Function()? waitForFrame;
+  final PlaybackSessionOwner owner;
+  final String? Function(int index)? dramaIdAt;
   final PlaybackCoordinator _coordinator;
   final Set<_PlayerSlot> _live = {};
   _PlayerSlot? _active;
@@ -77,9 +84,18 @@ class PlaybackSession extends ChangeNotifier {
   bool get canAutoAdvance => _mayPlay && !_loading && active != null;
   bool get isLocked => !canPlay(currentEpisode);
   String? get error => _error;
+  bool get debugAppResumed => _appResumed;
+  bool get debugRouteVisible => _routeVisible;
+  bool get debugOverlayOpen => _overlayOpen;
+  bool get debugVisible => _visible;
+  bool get debugMayPlay => _mayPlay;
   // Includes initialization and asynchronous disposal, until native release ends.
   int get livePlayerCount => _live.length;
+  bool get activeSlotActivated => _active?.activated ?? false;
+  bool get activeSlotPlaying => _active?.playing ?? false;
   int? get preloadedIndex => _next?.prepared == true ? _next?.index : null;
+  int? get previousPreloadedIndex =>
+      _previous?.prepared == true ? _previous?.index : null;
   Future<void> get playbackSettled => _operations;
   Future<void> get preloadSettled => _preloadTask;
 
@@ -106,15 +122,6 @@ class PlaybackSession extends ChangeNotifier {
     return null;
   }
 
-  /// 清晰度切换时盖住黑帧的旧播放器。只在仍由会话持有时交给界面。
-  PlayerPort? handoffAt(int index) {
-    final slot = _handoff;
-    if (_closed || slot == null || slot.retiring || slot.index != index) {
-      return null;
-    }
-    return slot.player;
-  }
-
   /// 队列重排后把当前仍在播放的 slot 映射到新索引，不重新创建播放器。
   void remapCurrentIndex(int index, {int? preloadIndex, int? previousIndex}) {
     if (_closed || index < 0 || index >= episodes.length) return;
@@ -136,8 +143,12 @@ class PlaybackSession extends ChangeNotifier {
     _notify();
     unawaited(
       _enqueue(() async {
-        await _retire(staleNext);
-        await _retire(stalePrevious);
+        await _retire(staleNext, trigger: 'remap-stale-next', roleHint: 'next');
+        await _retire(
+          stalePrevious,
+          trigger: 'remap-stale-previous',
+          roleHint: 'previous',
+        );
       }),
     );
     if (_visible && !_overlayOpen) _warmNeighbors(this);
@@ -165,7 +176,12 @@ class PlaybackSession extends ChangeNotifier {
     if (_live.length >= maxLivePlayers) {
       throw StateError('Playback resource limit reached');
     }
-    final slot = _PlayerSlot(index, factory(episodes[index]));
+    final slot = _PlayerSlot(
+      index,
+      factory(episodes[index]),
+      owner: owner,
+      dramaId: dramaIdAt?.call(index),
+    );
     _live.add(slot);
     slot.ready = () async {
       try {
@@ -183,8 +199,23 @@ class PlaybackSession extends ChangeNotifier {
     return slot;
   }
 
-  Future<void> _retire(_PlayerSlot? slot) async {
-    if (slot == null || !_live.contains(slot)) return;
+  Future<void> _retire(
+    _PlayerSlot? slot, {
+    required String trigger,
+    String? roleHint,
+  }) async {
+    if (slot == null) return;
+    if (slot.owner != owner) {
+      _logOwnerRejection('retire', slot);
+      return;
+    }
+    if (!_live.contains(slot)) return;
+    final role = _slotRole(slot, roleHint: roleHint);
+    final video = slot.player is VideoPlayerPort
+        ? slot.player as VideoPlayerPort
+        : null;
+    final value = video?.controller.value;
+    final slotPlaying = slot.playing;
     slot.retiring = true;
     final cleared =
         _active == slot ||
@@ -203,6 +234,19 @@ class PlaybackSession extends ChangeNotifier {
     } finally {
       await slot.player.dispose();
       _live.remove(slot);
+      if (kDebugMode) {
+        debugPrint(
+          '[player-slot] slot_released role=$role owner=${slot.owner.name} '
+          'selectOwner=$owner drama=${slot.dramaId ?? '-'} '
+          'episodeIndex=${slot.index} '
+          'controller=${_playerIdentity(slot.player)} '
+          'slotPlaying=${slotPlaying ? 1 : 0} '
+          'isPlaying=${value?.isPlaying == true ? 1 : 0} '
+          'position=${value?.position.inMilliseconds ?? '-'} '
+          'currentIndex=$_currentIndex generation=$_generation '
+          'trigger=$trigger',
+        );
+      }
     }
   }
 
@@ -212,11 +256,23 @@ class PlaybackSession extends ChangeNotifier {
     int index, {
     int? preloadIndex,
     int? previousIndex,
+    bool? userWantsPlay,
   }) async {
     if (_closed || index < 0 || index >= episodes.length) return;
-    // 切到另一集时，上一集按下的暂停不跟着走：滑过去就应该自动播放。
-    // 重复选中同一集（例如页面重新可见）不在这里恢复，尊重用户按下的暂停。
-    if (!_selected || index != _currentIndex) {
+    if (kDebugMode) {
+      debugPrint(
+        '[player-session] phase=select-enter session=${identityHashCode(this)} '
+        'owner=${owner.name} index=$index user=$_userWantsPlay '
+        'selected=$_selected current=$_currentIndex '
+        'appResumed=$_appResumed routeVisible=$_routeVisible '
+        'overlayOpen=$_overlayOpen visible=$_visible mayPlay=$_mayPlay '
+        'live=${_live.length}',
+      );
+    }
+    // 切换到不同剧集时恢复播放；仍停留在同一集时保留用户暂停。
+    if (userWantsPlay != null) {
+      _userWantsPlay = userWantsPlay;
+    } else if (!_selected || index != _currentIndex) {
       _userWantsPlay = true;
     }
     final request = ++_generation;
@@ -247,7 +303,7 @@ class PlaybackSession extends ChangeNotifier {
     _PlayerSlot? target;
     await _enqueue(() async {
       if (_closed || request != _generation) return;
-      await _retire(_handoff);
+      await _retire(_handoff, trigger: 'select-handoff');
       final old = _active;
       if (old != null &&
           old.index == index &&
@@ -256,7 +312,10 @@ class PlaybackSession extends ChangeNotifier {
         target = old;
         return;
       }
-      if (old != null) await old.player.pause();
+      if (old != null) {
+        await old.player.pause();
+        old.playing = false;
+      }
       final warmNext = _next;
       final warmPrevious = _previous;
       _active = null;
@@ -266,6 +325,7 @@ class PlaybackSession extends ChangeNotifier {
           _usableWarm(this, warmNext, index) ??
           _usableWarm(this, warmPrevious, index);
       if (warm != null) {
+        warm.reusedWarm = true;
         target = _active = warm;
         _loading = !warm.prepared;
         _notify();
@@ -314,7 +374,9 @@ class PlaybackSession extends ChangeNotifier {
     await _enqueue(() => _start(slot, request));
     await Future<void>.delayed(_qualityHandoffHold);
     if (previous != null && _handoff == previous && _active == slot) {
-      await _enqueue(() => _retire(previous));
+      await _enqueue(
+        () => _retire(previous, trigger: 'quality-handoff-complete'),
+      );
     }
     if (!_closed && request == _generation) _warmNeighbors(this);
     return _active == slot && slot.failure == null;
@@ -326,8 +388,8 @@ class PlaybackSession extends ChangeNotifier {
       if (_closed || request != _generation || _active == null) return;
       final warm = _next;
       _next = null;
-      await _retire(_handoff);
-      await _retire(warm);
+      await _retire(_handoff, trigger: 'replacement-handoff');
+      await _retire(warm, trigger: 'replacement-next');
       if (_closed || request != _generation || _active == null) return;
       try {
         created = _create(index);
@@ -354,7 +416,9 @@ class PlaybackSession extends ChangeNotifier {
 
   Future<void> _dropReplacement(_PlayerSlot slot) {
     return _enqueue(() async {
-      if (_live.contains(slot)) await _retire(slot);
+      if (_live.contains(slot)) {
+        await _retire(slot, trigger: 'replacement-drop');
+      }
     });
   }
 
@@ -369,7 +433,10 @@ class PlaybackSession extends ChangeNotifier {
       _handoff = previous;
       _active = slot;
       shown = true;
-      if (previous != null) await previous!.player.pause();
+      if (previous != null) {
+        await previous!.player.pause();
+        previous!.playing = false;
+      }
       _notify();
     });
     if (!shown || _active != slot) return null;
@@ -413,6 +480,22 @@ class PlaybackSession extends ChangeNotifier {
   Future<void> _applyPlayback(_PlayerSlot slot) async {
     if (_closed || _active != slot || !slot.activated) return;
     final shouldPlay = _mayPlay && slot.index == _currentIndex && !isLocked;
+    final video = slot.player is VideoPlayerPort
+        ? slot.player as VideoPlayerPort
+        : null;
+    if (kDebugMode) {
+      debugPrint(
+        '[player-session] phase=apply-playback '
+        'session=${identityHashCode(this)} owner=${owner.name} '
+        'index=${slot.index} shouldPlay=$shouldPlay user=$_userWantsPlay '
+        'appResumed=$_appResumed routeVisible=$_routeVisible '
+        'overlayOpen=$_overlayOpen locked=$isLocked '
+        'player=${identityHashCode(slot.player)} '
+        'controller=${video == null ? '-' : identityHashCode(video.controller)} '
+        'isPlaying=${video?.controller.value.isPlaying ?? '-'} '
+        'slotPlaying=${slot.playing}',
+      );
+    }
     if (shouldPlay == slot.playing) return;
     if (shouldPlay) {
       await slot.player.play();
@@ -420,27 +503,15 @@ class PlaybackSession extends ChangeNotifier {
       await slot.player.pause();
     }
     slot.playing = shouldPlay;
-  }
-
-  void setAppResumed(bool value) {
-    _appResumed = value;
-    _syncPlayback();
-  }
-
-  void setRouteVisible(bool value) {
-    _routeVisible = value;
-    _syncPlayback();
-  }
-
-  void setOverlayOpen(bool value) {
-    _overlayOpen = value;
-    _syncPlayback();
-  }
-
-  void setUserWantsPlay(bool value) {
-    _userWantsPlay = value;
-    _syncPlayback();
-    _notify();
+    if (kDebugMode) {
+      debugPrint(
+        '[player-session] phase=apply-playback-result '
+        'session=${identityHashCode(this)} index=${slot.index} '
+        'shouldPlay=$shouldPlay '
+        'isPlaying=${video?.controller.value.isPlaying ?? '-'} '
+        'slotPlaying=${slot.playing}',
+      );
+    }
   }
 
   void _syncPlayback() {
@@ -467,7 +538,7 @@ class PlaybackSession extends ChangeNotifier {
       _loading = false;
       _notify();
       for (final slot in _live.toList()) {
-        await _retire(slot);
+        await _retire(slot, trigger: 'session-release-all');
       }
     });
   }
@@ -476,6 +547,23 @@ class PlaybackSession extends ChangeNotifier {
     if (!_closed) notifyListeners();
   }
 
+  String _slotRole(_PlayerSlot slot, {String? roleHint}) {
+    if (identical(slot, _active)) return 'current';
+    if (identical(slot, _previous)) return 'previous';
+    if (identical(slot, _next)) return 'next';
+    if (identical(slot, _handoff)) return 'handoff';
+    return roleHint ?? 'unassigned';
+  }
+
+  void _logOwnerRejection(String phase, _PlayerSlot slot) {
+    if (!kDebugMode) return;
+    debugPrint(
+      '[player-owner] phase=reject-$phase expected=${owner.name} '
+      'actual=${slot.owner.name} drama=${slot.dramaId ?? '-'} '
+      'episodeIndex=${slot.index} controller=${_playerIdentity(slot.player)}',
+    );
+  }
+
   Future<void> close() async {
     if (_closed) return;
     _closed = true;
@@ -486,13 +574,27 @@ class PlaybackSession extends ChangeNotifier {
 }
 
 class _PlayerSlot {
-  _PlayerSlot(this.index, this.player);
+  _PlayerSlot(
+    this.index,
+    this.player, {
+    required this.owner,
+    required this.dramaId,
+  });
   int index;
   final PlayerPort player;
+  final PlaybackSessionOwner owner;
+  final String? dramaId;
   late final Future<void> ready;
   bool prepared = false;
   bool activated = false;
   bool playing = false;
   bool retiring = false;
+  bool reusedWarm = false;
   Object? failure;
 }
+
+String _playerIdentity(PlayerPort player) {
+  return player is VideoPlayerPort
+      ? '${identityHashCode(player.controller)}'
+      : '${identityHashCode(player)}';
+}

lib/core/data/services/playback_session_controls.dart

@@ -0,0 +1,133 @@
+// Author: fruit.com.cn
+
+part of 'playback_session.dart';
+
+/// 播放会话的可见性、用户意图与相邻集预热控制。
+extension PlaybackSessionControls on PlaybackSession {
+  /// 滑动手势开始时按方向优先准备相邻集，不改变当前集播放状态。
+  void prewarmNeighbors({required bool forward}) {
+    if (!_visible || _overlayOpen || _active?.prepared != true) return;
+    _warmNeighbors(this, preferredNext: forward);
+  }
+
+  /// 路由交接时同步暂停当前原生播放器，controller 仍由 session 持有。
+  Future<void> pauseForRouteHandoff() {
+    if (_closed) return Future<void>.value();
+    _routeVisible = false;
+    return _enqueue(() async {
+      final slot = _active;
+      if (slot == null) return;
+      await slot.player.pause();
+      slot.playing = false;
+    });
+  }
+
+  /// 路由恢复可见后立即同步当前 controller，并等待原生播放状态落地。
+  Future<void> resumeForRouteHandoff() {
+    if (_closed) return Future<void>.value();
+    _routeVisible = true;
+    return _enqueue(() async {
+      final slot = _active;
+      if (kDebugMode) {
+        debugPrint(
+          '[feed-handoff] phase=resume slot=${slot?.index} '
+          'activated=${slot?.activated} playing=${slot?.playing} '
+          'retiring=${slot?.retiring} current=$_currentIndex '
+          'visible=$_visible user=$_userWantsPlay loading=$_loading',
+        );
+      }
+      if (slot == null || slot.retiring) return;
+      if (!slot.activated) {
+        try {
+          await activate?.call(episodes[slot.index], slot.player);
+        } catch (error) {
+          if (kDebugMode) {
+            debugPrint('[feed-handoff] phase=activation-failed error=$error');
+          }
+        }
+        if (_closed || _active != slot || slot.retiring) {
+          if (kDebugMode) {
+            debugPrint(
+              '[feed-handoff] phase=activation-aborted closed=$_closed '
+              'activeSame=${identical(_active, slot)} retiring=${slot.retiring}',
+            );
+          }
+          return;
+        }
+        slot.activated = true;
+      }
+      await _applyPlayback(slot);
+      if (_visible && !_overlayOpen && !_loading) _warmNeighbors(this);
+      if (kDebugMode) {
+        debugPrint(
+          '[feed-handoff] phase=resumed activated=${slot.activated} '
+          'playing=${slot.playing}',
+        );
+      }
+    });
+  }
+
+  /// 选中锁定集时立即停播并释放所有原生播放器，不创建新片源。
+  Future<void> selectLocked(
+    int index, {
+    int? preloadIndex,
+    int? previousIndex,
+  }) {
+    if (_closed || index < 0 || index >= episodes.length) {
+      return Future<void>.value();
+    }
+    _generation++;
+    _selected = false;
+    _currentIndex = index;
+    _rememberNeighbors(preloadIndex, previousIndex);
+    _loading = false;
+    _error = null;
+    _userWantsPlay = false;
+    _notify();
+    return _releasePlayers();
+  }
+
+  /// 清晰度切换时盖住黑帧的旧播放器。只在仍由会话持有时交给界面。
+  PlayerPort? handoffAt(int index) {
+    final slot = _handoff;
+    if (_closed || slot == null || slot.retiring || slot.index != index) {
+      return null;
+    }
+    return slot.player;
+  }
+
+  /// 当前索引是否复用了已预热的播放器槽。
+  bool reusedWarmAt(int index) {
+    for (final slot in [_active, _next, _previous]) {
+      if (slot != null && !slot.retiring && slot.index == index) {
+        return slot.reusedWarm;
+      }
+    }
+    return false;
+  }
+
+  /// 同步应用前台状态并恢复或暂停当前集。
+  void setAppResumed(bool value) {
+    _appResumed = value;
+    _syncPlayback();
+  }
+
+  /// 同步播放器路由是否可见。
+  void setRouteVisible(bool value) {
+    _routeVisible = value;
+    _syncPlayback();
+  }
+
+  /// 同步浮层是否遮挡播放器。
+  void setOverlayOpen(bool value) {
+    _overlayOpen = value;
+    _syncPlayback();
+  }
+
+  /// 记录用户播放意图；切换剧集时会在 [PlaybackSession.select] 中恢复播放。
+  void setUserWantsPlay(bool value) {
+    _userWantsPlay = value;
+    _syncPlayback();
+    _notify();
+  }
+}

lib/core/data/services/sprite_thumbnail_axis.dart

@@ -9,7 +9,7 @@ import '../../config/app_config.dart';
 import 'sprite_thumbnail_asset_loader.dart';
 
 const Duration spriteVttCacheTtl = Duration(minutes: 10);
-const int spriteImageCacheCapacity = 2;
+const int spriteImageCacheCapacity = 1;
 
 /// 单个 VTT cue 对应的 sprite 裁剪区域。
 class SpriteThumbnailCue {
@@ -132,36 +132,36 @@ class SpriteThumbnailAxisService extends ChangeNotifier
   SpriteThumbnailAxisService({
     SpriteThumbnailAssetLoader? loader,
     this.cacheTtl = spriteVttCacheTtl,
+    this.spriteCacheCapacity = spriteImageCacheCapacity,
     DateTime Function()? now,
   }) : _loader = loader ?? DioSpriteThumbnailAssetLoader(),
        _now = now ?? DateTime.now;
 
   final SpriteThumbnailAssetLoader _loader;
   final Duration cacheTtl;
+  final int spriteCacheCapacity;
   final DateTime Function() _now;
   final Map<String, _CachedAxis> _axisCache = {};
   final Map<String, Future<SpriteThumbnailAxis>> _axisRequests = {};
   final LinkedHashMap<String, _CachedSprite> _spriteCache = LinkedHashMap();
   final Map<String, Future<_CachedSprite?>> _spriteRequests = {};
   final Set<String> _failedSprites = {};
-  String? _activeAxisUrl;
-  int _axisGeneration = 0;
   bool _disposed = false;
 
-  @visibleForTesting
   int get spriteCacheSize => _spriteCache.length;
 
   @visibleForTesting
-  List<String> get spriteCacheKeys => _spriteCache.keys.toList();
+  List<String> get spriteCacheKeys => _spriteCache.keys
+      .map((url) => Uri.tryParse(url)?.pathSegments.lastOrNull ?? url)
+      .toList();
 
-  /// 播放器就绪时预取当前 cue 与相邻 sprite，拖动帧不触发网络或解码。
+  /// 播放器就绪时预取当前 cue；容量大于 1 时顺带预取相邻 sprite。
   @override
   Future<void> prepareAt(String? thumbnailsUrl, Duration position) async {
     final url = _normalizeUrl(thumbnailsUrl);
     if (_disposed || url == null) return;
-    _activateAxis(url);
     final axis = await _loadAxis(url);
-    if (_disposed || _activeAxisUrl != url) return;
+    if (_disposed) return;
     for (final cue in _prefetchCues(axis, position)) {
       await _ensureSprite(axis, cue);
     }
@@ -170,7 +170,7 @@ class SpriteThumbnailAxisService extends ChangeNotifier
   @override
   bool hasAxis(String? thumbnailsUrl) {
     final url = _normalizeUrl(thumbnailsUrl);
-    if (url == null || url != _activeAxisUrl) return false;
+    if (url == null) return false;
     return _readAxis(url) != null;
   }
 
@@ -180,12 +180,14 @@ class SpriteThumbnailAxisService extends ChangeNotifier
     Duration position,
   ) {
     final url = _normalizeUrl(thumbnailsUrl);
-    if (url == null || url != _activeAxisUrl) return null;
+    if (url == null) return null;
     final axis = _readAxis(url);
     if (axis == null) return null;
     final cue = selectSpriteThumbnailCue(axis.cues, position);
     if (cue == null) return null;
-    final cached = _readSprite(cue.spriteFile);
+    final cached = _readSprite(
+      axis.resolveSpriteUri(cue.spriteFile).toString(),
+    );
     if (cached == null) return null;
     final sourceRect = _scaledSourceRect(cached, cue.sourceRect);
     if (sourceRect == null) return null;
@@ -206,13 +208,6 @@ class SpriteThumbnailAxisService extends ChangeNotifier
     super.dispose();
   }
 
-  void _activateAxis(String url) {
-    if (_activeAxisUrl == url) return;
-    _activeAxisUrl = url;
-    _axisGeneration++;
-    _clearSprites();
-  }
-
   Future<SpriteThumbnailAxis> _loadAxis(String url) {
     final cached = _readAxis(url);
     if (cached != null) return Future.value(cached);
@@ -239,7 +234,6 @@ class SpriteThumbnailAxisService extends ChangeNotifier
       } on SpriteThumbnailForbiddenException {
         if (_disposed) return SpriteThumbnailAxis.empty(url);
         _axisCache.remove(url);
-        if (_activeAxisUrl == url) _clearSprites();
       } catch (_) {
         break;
       }
@@ -274,6 +268,7 @@ class SpriteThumbnailAxisService extends ChangeNotifier
     if (current == null) return const [];
     final index = axis.cues.indexOf(current);
     final candidates = <SpriteThumbnailCue>[current];
+    if (spriteCacheCapacity <= 1) return candidates;
     for (final direction in const [1, -1]) {
       for (var step = 1; step < axis.cues.length; step++) {
         final neighborIndex = index + direction * step;
@@ -293,23 +288,23 @@ class SpriteThumbnailAxisService extends ChangeNotifier
     SpriteThumbnailAxis axis,
     SpriteThumbnailCue cue,
   ) {
-    final cached = _readSprite(cue.spriteFile);
+    final spriteUrl = axis.resolveSpriteUri(cue.spriteFile).toString();
+    final cached = _readSprite(spriteUrl);
     if (cached != null) return Future.value(cached);
-    if (_failedSprites.contains(cue.spriteFile)) return Future.value();
-    final existing = _spriteRequests[cue.spriteFile];
+    if (_failedSprites.contains(spriteUrl)) return Future.value();
+    final existing = _spriteRequests[spriteUrl];
     if (existing != null) return existing;
-    final generation = _axisGeneration;
-    final request = _loadSprite(axis, cue, generation);
-    _spriteRequests[cue.spriteFile] = request;
+    final request = _loadSprite(axis, cue, spriteUrl);
+    _spriteRequests[spriteUrl] = request;
     return request.whenComplete(() {
-      _spriteRequests.remove(cue.spriteFile);
+      _spriteRequests.remove(spriteUrl);
     });
   }
 
   Future<_CachedSprite?> _loadSprite(
     SpriteThumbnailAxis axis,
     SpriteThumbnailCue cue,
-    int generation,
+    String spriteUrl,
   ) async {
     SpriteThumbnailDecodedImage? decoded;
     try {
@@ -318,16 +313,16 @@ class SpriteThumbnailAxisService extends ChangeNotifier
       decoded = null;
     }
     if (decoded == null) {
-      _failedSprites.add(cue.spriteFile);
+      _failedSprites.add(spriteUrl);
       if (!_disposed) notifyListeners();
       return null;
     }
-    if (_disposed || generation != _axisGeneration) {
+    if (_disposed) {
       decoded.image.dispose();
       return null;
     }
     final cached = _CachedSprite(decoded);
-    _putSprite(cue.spriteFile, cached);
+    _putSprite(spriteUrl, cached);
     notifyListeners();
     return cached;
   }
@@ -342,7 +337,7 @@ class SpriteThumbnailAxisService extends ChangeNotifier
   void _putSprite(String key, _CachedSprite value) {
     _spriteCache.remove(key)?.decoded.image.dispose();
     _spriteCache[key] = value;
-    while (_spriteCache.length > spriteImageCacheCapacity) {
+    while (_spriteCache.length > spriteCacheCapacity) {
       final oldest = _spriteCache.remove(_spriteCache.keys.first);
       oldest?.decoded.image.dispose();
     }
@@ -378,8 +373,6 @@ class SpriteThumbnailAxisService extends ChangeNotifier
   }
 
   void _clearAll() {
-    _axisGeneration++;
-    _activeAxisUrl = null;
     _axisCache.clear();
     _axisRequests.clear();
     _clearSprites();

lib/core/data/services/watch_records_controller.dart

@@ -38,6 +38,7 @@ class WatchRecordsController extends ChangeNotifier {
   String? error;
   String? loadMoreError;
   String? actionError;
+  int? lastErrorCode;
   int _pageIndex = 0;
   int _requestSeq = 0;
   bool _disposed = false;
@@ -50,6 +51,7 @@ class WatchRecordsController extends ChangeNotifier {
     error = null;
     loadMoreError = null;
     actionError = null;
+    lastErrorCode = null;
     _notify();
     try {
       final page = await _history.recent(pageIndex: 1, pageSize: pageSize);
@@ -71,6 +73,7 @@ class WatchRecordsController extends ChangeNotifier {
       );
       if (!_disposed && request == _requestSeq) {
         error = failure is ApiException ? failure.message : 'progressError';
+        if (failure is ApiException) lastErrorCode = failure.code;
       }
     } finally {
       if (!_disposed && request == _requestSeq) {
@@ -86,6 +89,7 @@ class WatchRecordsController extends ChangeNotifier {
     final request = ++_requestSeq;
     loadingMore = true;
     loadMoreError = null;
+    lastErrorCode = null;
     _notify();
     try {
       final page = await _history.recent(
@@ -108,6 +112,7 @@ class WatchRecordsController extends ChangeNotifier {
         loadMoreError = failure is ApiException
             ? failure.message
             : 'progressError';
+        if (failure is ApiException) lastErrorCode = failure.code;
       }
     } finally {
       if (!_disposed && request == _requestSeq) {
@@ -148,17 +153,19 @@ class WatchRecordsController extends ChangeNotifier {
     total = total > 0 ? total - 1 : 0;
     hasMore = records.length < total;
     actionError = null;
+    lastErrorCode = null;
     _notify();
     try {
       await _history.remove(dramaId);
       return true;
-    } catch (_) {
+    } catch (failure) {
       final next = [...records];
       next.insert(index > next.length ? next.length : index, removed);
       records = next;
       total += 1;
       hasMore = records.length < total;
       actionError = 'recordDeleteFailed';
+      if (failure is ApiException) lastErrorCode = failure.code;
       return false;
     } finally {
       _notify();
@@ -179,16 +186,18 @@ class WatchRecordsController extends ChangeNotifier {
     loadingMore = false;
     clearing = true;
     actionError = null;
+    lastErrorCode = null;
     _notify();
     try {
       await _history.clear();
       return true;
-    } catch (_) {
+    } catch (failure) {
       records = previous;
       total = previousTotal;
       _pageIndex = previousPageIndex;
       hasMore = records.length < total;
       actionError = 'recordClearFailed';
+      if (failure is ApiException) lastErrorCode = failure.code;
       return false;
     } finally {
       clearing = false;
@@ -305,6 +314,23 @@ class WatchRecordsController extends ChangeNotifier {
     if (!_disposed) notifyListeners();
   }
 
+  /// 切换账号/设备身份时清除内存数据，不删除服务端记录。
+  void reset() {
+    _requestSeq += 1;
+    records = const [];
+    total = 0;
+    loading = false;
+    loadingMore = false;
+    hasMore = false;
+    clearing = false;
+    error = null;
+    loadMoreError = null;
+    actionError = null;
+    lastErrorCode = null;
+    _pageIndex = 0;
+    _notify();
+  }
+
   @override
   void dispose() {
     _disposed = true;

lib/core/formatting/account_display.dart

@@ -0,0 +1,239 @@
+// Author: fruit.com.cn
+
+/// 账号资料页只读字段的展示格式化。
+///
+/// 后端存的是 ISO 国家码、BCP-47 语言标签和 IANA 时区（`ID` / `id-ID` / `Asia/Jakarta`），
+/// 直接展示对用户没有意义，这里统一转成当前界面语言的名称。
+/// 国家与城市名只维护中文与英文两套：界面语言为印尼语时回退英文名，
+/// 语言名与账号状态则三种界面语言都有。
+library;
+
+const _countryNamesZh = {
+  'ID': '印度尼西亚',
+  'MY': '马来西亚',
+  'SG': '新加坡',
+  'TH': '泰国',
+  'VN': '越南',
+  'PH': '菲律宾',
+  'KH': '柬埔寨',
+  'MM': '缅甸',
+  'LA': '老挝',
+  'BN': '文莱',
+  'CN': '中国',
+  'TW': '中国台湾',
+  'HK': '中国香港',
+  'MO': '中国澳门',
+  'JP': '日本',
+  'KR': '韩国',
+  'IN': '印度',
+  'PK': '巴基斯坦',
+  'BD': '孟加拉国',
+  'LK': '斯里兰卡',
+  'NP': '尼泊尔',
+  'US': '美国',
+  'CA': '加拿大',
+  'MX': '墨西哥',
+  'BR': '巴西',
+  'AR': '阿根廷',
+  'CL': '智利',
+  'CO': '哥伦比亚',
+  'PE': '秘鲁',
+  'VE': '委内瑞拉',
+  'EC': '厄瓜多尔',
+  'GT': '危地马拉',
+  'DO': '多米尼加',
+  'GB': '英国',
+  'DE': '德国',
+  'FR': '法国',
+  'ES': '西班牙',
+  'IT': '意大利',
+  'NL': '荷兰',
+  'PL': '波兰',
+  'RU': '俄罗斯',
+  'UA': '乌克兰',
+  'TR': '土耳其',
+  'SA': '沙特阿拉伯',
+  'AE': '阿联酋',
+  'IL': '以色列',
+  'EG': '埃及',
+  'NG': '尼日利亚',
+  'ZA': '南非',
+  'KE': '肯尼亚',
+  'MA': '摩洛哥',
+  'AU': '澳大利亚',
+  'NZ': '新西兰',
+};
+
+const _countryNamesEn = {
+  'ID': 'Indonesia',
+  'MY': 'Malaysia',
+  'SG': 'Singapore',
+  'TH': 'Thailand',
+  'VN': 'Vietnam',
+  'PH': 'Philippines',
+  'KH': 'Cambodia',
+  'MM': 'Myanmar',
+  'LA': 'Laos',
+  'BN': 'Brunei',
+  'CN': 'China',
+  'TW': 'Taiwan',
+  'HK': 'Hong Kong',
+  'MO': 'Macau',
+  'JP': 'Japan',
+  'KR': 'South Korea',
+  'IN': 'India',
+  'PK': 'Pakistan',
+  'BD': 'Bangladesh',
+  'LK': 'Sri Lanka',
+  'NP': 'Nepal',
+  'US': 'United States',
+  'CA': 'Canada',
+  'MX': 'Mexico',
+  'BR': 'Brazil',
+  'AR': 'Argentina',
+  'CL': 'Chile',
+  'CO': 'Colombia',
+  'PE': 'Peru',
+  'VE': 'Venezuela',
+  'EC': 'Ecuador',
+  'GT': 'Guatemala',
+  'DO': 'Dominican Republic',
+  'GB': 'United Kingdom',
+  'DE': 'Germany',
+  'FR': 'France',
+  'ES': 'Spain',
+  'IT': 'Italy',
+  'NL': 'Netherlands',
+  'PL': 'Poland',
+  'RU': 'Russia',
+  'UA': 'Ukraine',
+  'TR': 'Turkey',
+  'SA': 'Saudi Arabia',
+  'AE': 'United Arab Emirates',
+  'IL': 'Israel',
+  'EG': 'Egypt',
+  'NG': 'Nigeria',
+  'ZA': 'South Africa',
+  'KE': 'Kenya',
+  'MA': 'Morocco',
+  'AU': 'Australia',
+  'NZ': 'New Zealand',
+};
+
+const _timezoneNamesZh = {
+  'Asia/Jakarta': '雅加达',
+  'Asia/Kuala_Lumpur': '吉隆坡',
+  'Asia/Singapore': '新加坡',
+  'Asia/Bangkok': '曼谷',
+  'Asia/Ho_Chi_Minh': '胡志明市',
+  'Asia/Manila': '马尼拉',
+  'Asia/Phnom_Penh': '金边',
+  'Asia/Yangon': '仰光',
+  'Asia/Vientiane': '万象',
+  'Asia/Brunei': '斯里巴加湾市',
+  'Asia/Shanghai': '上海',
+  'Asia/Taipei': '台北',
+  'Asia/Hong_Kong': '香港',
+  'Asia/Macau': '澳门',
+  'Asia/Tokyo': '东京',
+  'Asia/Seoul': '首尔',
+  'Asia/Kolkata': '加尔各答',
+  'Asia/Karachi': '卡拉奇',
+  'Asia/Dhaka': '达卡',
+  'Asia/Colombo': '科伦坡',
+  'Asia/Kathmandu': '加德满都',
+  'America/New_York': '纽约',
+  'America/Toronto': '多伦多',
+  'America/Mexico_City': '墨西哥城',
+  'America/Sao_Paulo': '圣保罗',
+  'America/Argentina/Buenos_Aires': '布宜诺斯艾利斯',
+  'America/Santiago': '圣地亚哥',
+  'America/Bogota': '波哥大',
+  'America/Lima': '利马',
+  'America/Caracas': '加拉加斯',
+  'America/Guayaquil': '瓜亚基尔',
+  'America/Guatemala': '危地马拉城',
+  'America/Santo_Domingo': '圣多明各',
+  'Europe/London': '伦敦',
+  'Europe/Berlin': '柏林',
+  'Europe/Paris': '巴黎',
+  'Europe/Madrid': '马德里',
+  'Europe/Rome': '罗马',
+  'Europe/Amsterdam': '阿姆斯特丹',
+  'Europe/Warsaw': '华沙',
+  'Europe/Moscow': '莫斯科',
+  'Europe/Kyiv': '基辅',
+  'Europe/Istanbul': '伊斯坦布尔',
+  'Asia/Riyadh': '利雅得',
+  'Asia/Dubai': '迪拜',
+  'Asia/Jerusalem': '耶路撒冷',
+  'Africa/Cairo': '开罗',
+  'Africa/Lagos': '拉各斯',
+  'Africa/Johannesburg': '约翰内斯堡',
+  'Africa/Nairobi': '内罗毕',
+  'Africa/Casablanca': '卡萨布兰卡',
+  'Australia/Sydney': '悉尼',
+  'Pacific/Auckland': '奥克兰',
+};
+
+const _languageNames = {
+  'id': {'zh': '印度尼西亚语', 'en': 'Indonesian', 'id': 'Bahasa Indonesia'},
+  'en': {'zh': '英语', 'en': 'English', 'id': 'Inggris'},
+  'zh': {'zh': '中文', 'en': 'Chinese', 'id': 'Mandarin'},
+};
+
+const _statusNames = {
+  'normal': {'zh': '正常', 'en': 'Active', 'id': 'Aktif'},
+  'limited': {'zh': '受限', 'en': 'Limited', 'id': 'Dibatasi'},
+  'banned': {'zh': '已封禁', 'en': 'Banned', 'id': 'Diblokir'},
+  'deactivated': {'zh': '已注销', 'en': 'Deactivated', 'id': 'Dinonaktifkan'},
+};
+
+String _pick(Map<String, String> names, String localeName) =>
+    names[localeName] ?? names['en']!;
+
+/// 国家码 → 国家名；未收录的码原样返回。
+String countryName(String code, String localeName) {
+  final key = code.trim().toUpperCase();
+  if (key.isEmpty) return '';
+  final names = localeName == 'zh' ? _countryNamesZh : _countryNamesEn;
+  return names[key] ?? key;
+}
+
+/// IANA 时区 → 城市名；中文界面查表，其余语言取时区里的城市段。
+String timezoneName(String timezone, String localeName) {
+  final value = timezone.trim();
+  if (value.isEmpty) return '';
+  if (localeName == 'zh') {
+    final name = _timezoneNamesZh[value];
+    if (name != null) return name;
+  }
+  final city = value.split('/').last.replaceAll('_', ' ');
+  return city.isEmpty ? value : city;
+}
+
+/// BCP-47 语言标签 → 语言名，按主语言归类（`zh-TW` 也算中文）。
+String languageName(String language, String localeName) {
+  final value = language.trim();
+  if (value.isEmpty) return '';
+  final primary = value.split(RegExp('[-_]')).first.toLowerCase();
+  final names = _languageNames[primary];
+  return names == null ? value : _pick(names, localeName);
+}
+
+/// 账号状态 → 展示文案；未知状态原样返回。
+String accountStatusText(String status, String localeName) {
+  final value = status.trim().toLowerCase();
+  final names = _statusNames[value];
+  return names == null ? status : _pick(names, localeName);
+}
+
+/// VIP 等级：0 表示未开通，避免用户看到一个孤零零的 0。
+String vipLevelText(int level, String localeName) {
+  if (level > 0) return 'VIP $level';
+  return switch (localeName) {
+    'zh' => '未开通',
+    'id' => 'Belum aktif',
+    _ => 'Not subscribed',
+  };
+}

lib/core/navigation/fade_page_route.dart

@@ -4,14 +4,16 @@ import 'package:flutter/widgets.dart';
 
 /// 无位移的短促淡入转场。
 class FadePageRoute<T> extends PageRouteBuilder<T> {
-  FadePageRoute({required WidgetBuilder builder, super.settings})
-    : super(
-        transitionDuration: const Duration(milliseconds: 220),
-        reverseTransitionDuration: const Duration(milliseconds: 180),
-        pageBuilder: (context, _, _) => builder(context),
-        transitionsBuilder: (context, animation, _, child) => FadeTransition(
-          opacity: CurvedAnimation(parent: animation, curve: Curves.easeOut),
-          child: child,
-        ),
-      );
+  FadePageRoute({
+    required WidgetBuilder builder,
+    super.settings,
+    super.transitionDuration = const Duration(milliseconds: 220),
+    super.reverseTransitionDuration = const Duration(milliseconds: 180),
+  }) : super(
+         pageBuilder: (context, _, _) => builder(context),
+         transitionsBuilder: (context, animation, _, child) => FadeTransition(
+           opacity: CurvedAnimation(parent: animation, curve: Curves.easeOut),
+           child: child,
+         ),
+       );
 }

lib/core/theme/app_colors.dart

@@ -78,7 +78,12 @@ abstract final class AppColors {
   /// 中性深灰卡片与控件表面。
   static const contentCard = Color(0xFF16161A);
   static const contentSurface = Color(0xFF1C1C1E);
-  static const skeletonSurface = Color(0xFF141414);
+
+  /// 首页、分类与搜索网格骨架的极暗底色。
+  static const skeletonSurface = Color(0xFF0E0E0E);
+
+  /// 播放器、推荐与详情页大面积媒体占位的深灰底色。
+  static const skeletonMedia = Color(0xFF1C1C1E);
   static const contentChip = Color(0xFF2C2C2E);
   static const contentBorder = Color(0x1AFFFFFF);
   static const filterChipSelected = Color(0xFF21090E);

lib/core/theme/app_dimens.dart

@@ -229,7 +229,7 @@ abstract final class AppDimens {
   static const double mineSectionLinkFont = 12;
   static const double mineSectionGap = 20;
   static const double mineContinueCardWidth = 96;
-  static const double mineContinueRowHeight = 168;
+  static const double mineContinueRowHeight = 172;
   static const double mineContinueTitleFont = 13;
   static const double mineContinueMetaFont = 11;
   static const double mineStatsValueFont = 18;

lib/core/widgets/auth_gate.dart

@@ -15,7 +15,7 @@ Future<void> openAuthPage(BuildContext context, {bool signUpMode = false}) {
 
 /// 受限动作的登录闸：已登录返回 true；未登录弹底部提示并引导登录，返回 false。
 ///
-/// 首页/发现/详情保持匿名可看，只有收藏、点赞、评论这类"要对到具体账号"的动作才走这里。
+/// 首页/发现/详情与非付费互动保持匿名可用；解锁、权益与消耗类动作走这里。
 Future<bool> ensureSignedIn(BuildContext context) async {
   final auth = context.read<AuthController>();
   if (auth.isSignedIn) return true;
@@ -76,6 +76,7 @@ Future<bool> ensureSignedIn(BuildContext context) async {
 
   if (go == true && context.mounted) {
     await openAuthPage(context);
+    if (context.mounted) return context.read<AuthController>().isSignedIn;
   }
   return false;
 }

lib/core/widgets/drama_grid_skeleton.dart

@@ -11,7 +11,8 @@ const Duration _shimmerPeriod = Duration(milliseconds: 1400);
 const double _shimmerTravel = 2.4;
 const double _shimmerStart = -1.2;
 const double _subtitleWidthFactor = 0.62;
-const Color _shimmerHighlight = Color(0x38FFFFFF);
+const double _shimmerPhaseStep = 0.13;
+const Color _shimmerHighlight = Color(0x0DFFFFFF);
 
 /// 首页短剧网格的占位。行数至少铺满可视高度，并带一道扫光。
 class DramaGridSkeleton extends StatefulWidget {
@@ -53,21 +54,19 @@ class _DramaGridSkeletonState extends State<DramaGridSkeleton>
   Widget build(BuildContext context) {
     return LayoutBuilder(
       builder: (context, constraints) {
-        final grid = _grid(constraints.maxWidth, constraints.maxHeight);
         return AnimatedBuilder(
           animation: _shimmer,
-          builder: (context, child) => ShaderMask(
-            blendMode: BlendMode.srcATop,
-            shaderCallback: (bounds) => _shader(bounds),
-            child: child,
+          builder: (context, _) => _grid(
+            constraints.maxWidth,
+            constraints.maxHeight,
+            _shimmer.value,
           ),
-          child: grid,
         );
       },
     );
   }
 
-  Widget _grid(double width, double height) {
+  Widget _grid(double width, double height, double shimmerValue) {
     final itemWidth = _itemWidth(width);
     final itemExtent = _itemExtent(itemWidth);
     return GridView.builder(
@@ -85,7 +84,8 @@ class _DramaGridSkeletonState extends State<DramaGridSkeleton>
         mainAxisExtent: itemExtent,
       ),
       itemCount: _fillCount(height, itemExtent),
-      itemBuilder: (context, index) => _SkeletonCard(index: index),
+      itemBuilder: (context, index) =>
+          _SkeletonCard(index: index, shimmerValue: shimmerValue),
     );
   }
 
@@ -105,48 +105,61 @@ class _DramaGridSkeletonState extends State<DramaGridSkeleton>
     final rows = (height / rowHeight).ceil() + 1;
     return math.max(widget.itemCount, rows * widget.columns);
   }
-
-  Shader _shader(Rect bounds) {
-    final shift = _shimmerStart + _shimmerTravel * _shimmer.value;
-    return LinearGradient(
-      begin: Alignment(shift, -0.3),
-      end: Alignment(shift + 1, 0.3),
-      colors: const [
-        AppColors.skeletonSurface,
-        _shimmerHighlight,
-        AppColors.skeletonSurface,
-      ],
-    ).createShader(bounds);
-  }
 }
 
 class _SkeletonCard extends StatelessWidget {
-  const _SkeletonCard({required this.index});
+  const _SkeletonCard({required this.index, required this.shimmerValue});
 
   final int index;
+  final double shimmerValue;
 
   @override
   Widget build(BuildContext context) {
-    return Column(
+    final phase = (shimmerValue + index * _shimmerPhaseStep) % 1.0;
+    return Stack(
       key: Key('drama-grid-skeleton-$index'),
-      crossAxisAlignment: CrossAxisAlignment.start,
       children: [
-        AspectRatio(
-          aspectRatio: AppDimens.cardCoverAspectRatio,
-          child: const _SkeletonBlock(),
+        Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            AspectRatio(
+              aspectRatio: AppDimens.cardCoverAspectRatio,
+              child: const _SkeletonBlock(),
+            ),
+            const SizedBox(height: AppDimens.cardCoverTitleGap),
+            const _SkeletonBar(),
+            const SizedBox(height: AppDimens.skeletonTitleBarGap),
+            const FractionallySizedBox(
+              widthFactor: _subtitleWidthFactor,
+              child: _SkeletonBar(),
+            ),
+          ],
         ),
-        const SizedBox(height: AppDimens.cardCoverTitleGap),
-        const _SkeletonBar(),
-        const SizedBox(height: AppDimens.skeletonTitleBarGap),
-        const FractionallySizedBox(
-          widthFactor: _subtitleWidthFactor,
-          child: _SkeletonBar(),
+        Positioned.fill(
+          child: IgnorePointer(
+            child: ClipRRect(
+              borderRadius: BorderRadius.circular(AppDimens.homeCardRadius),
+              child: DecoratedBox(
+                decoration: BoxDecoration(gradient: _cardHighlight(phase)),
+              ),
+            ),
+          ),
         ),
       ],
     );
   }
 }
 
+LinearGradient _cardHighlight(double shimmerValue) {
+  final shift = _shimmerStart + _shimmerTravel * shimmerValue;
+  return LinearGradient(
+    begin: Alignment(shift, -0.3),
+    end: Alignment(shift + 1, 0.3),
+    colors: const [Colors.transparent, _shimmerHighlight, Colors.transparent],
+    stops: const [0.42, 0.5, 0.58],
+  );
+}
+
 class _SkeletonBlock extends StatelessWidget {
   const _SkeletonBlock();
 

lib/core/widgets/remote_image.dart

@@ -5,6 +5,24 @@ import 'package:flutter/material.dart';
 import '../config/app_config.dart';
 import '../theme/app_colors.dart';
 
+const int _minImageDecodePixels = 96;
+const int _maxImageDecodePixels = 2048;
+
+/// 将布局逻辑尺寸换算成有限像素尺寸，兼顾小头像和全屏首帧。
+int resolveImageDecodePixels(double? logicalExtent, double devicePixelRatio) {
+  final ratio = devicePixelRatio.isFinite && devicePixelRatio > 0
+      ? devicePixelRatio
+      : 1.0;
+  final extent =
+      logicalExtent != null && logicalExtent.isFinite && logicalExtent > 0
+      ? logicalExtent
+      : 120.0;
+  return (extent * ratio)
+      .ceil()
+      .clamp(_minImageDecodePixels, _maxImageDecodePixels)
+      .toInt();
+}
+
 /// 封面图统一入口：后端给的是相对路径，这里补服务地址并处理加载失败。
 class RemoteImage extends StatelessWidget {
   const RemoteImage(
@@ -17,6 +35,8 @@ class RemoteImage extends StatelessWidget {
     this.fallbackIconKey,
     this.fallbackAspectRatio,
     this.fallbackColor = AppColors.raised,
+    this.decodeWidth,
+    this.decodeHeight,
   });
 
   final String path;
@@ -27,21 +47,56 @@ class RemoteImage extends StatelessWidget {
   final Key? fallbackIconKey;
   final double? fallbackAspectRatio;
   final Color fallbackColor;
+  final int? decodeWidth;
+  final int? decodeHeight;
 
   @override
   Widget build(BuildContext context) {
     final url = AppConfig.mediaUrl(path);
     if (url.isEmpty) return _fallback(brand: showFallbackIcon);
-    return Image.network(
-      url,
-      width: width,
-      height: height,
-      fit: fit,
-      gaplessPlayback: true,
-      errorBuilder: (_, _, _) => _fallback(brand: showFallbackIcon),
-      frameBuilder: (context, child, frame, wasSynchronouslyLoaded) {
-        if (wasSynchronouslyLoaded || frame != null) return child;
-        return _fallback(brand: showFallbackIcon);
+    return LayoutBuilder(
+      builder: (context, constraints) {
+        final pixelRatio = MediaQuery.devicePixelRatioOf(context);
+        final layoutWidth = constraints.hasBoundedWidth
+            ? constraints.maxWidth
+            : width;
+        final aspectRatio =
+            fallbackAspectRatio != null &&
+                fallbackAspectRatio!.isFinite &&
+                fallbackAspectRatio! > 0
+            ? fallbackAspectRatio
+            : null;
+        final inferredHeight = constraints.hasBoundedHeight
+            ? constraints.maxHeight
+            : height ??
+                  (layoutWidth != null && aspectRatio != null
+                      ? layoutWidth / aspectRatio
+                      : null);
+        final cacheWidth =
+            decodeWidth ?? resolveImageDecodePixels(layoutWidth, pixelRatio);
+        final cacheHeight =
+            decodeHeight ??
+            (inferredHeight == null
+                ? null
+                : resolveImageDecodePixels(inferredHeight, pixelRatio));
+        return Image.network(
+          url,
+          width: width,
+          height: height,
+          fit: fit,
+          cacheWidth: cacheWidth
+              .clamp(_minImageDecodePixels, _maxImageDecodePixels)
+              .toInt(),
+          cacheHeight: cacheHeight
+              ?.clamp(_minImageDecodePixels, _maxImageDecodePixels)
+              .toInt(),
+          gaplessPlayback: true,
+          errorBuilder: (_, _, _) => _fallback(brand: showFallbackIcon),
+          frameBuilder: (context, child, frame, wasSynchronouslyLoaded) {
+            if (wasSynchronouslyLoaded || frame != null) return child;
+            return _fallback(brand: showFallbackIcon);
+          },
+        );
       },
     );
   }

lib/pages/account/account_profile_page.dart

@@ -8,6 +8,7 @@ import 'package:provider/provider.dart';
 import '../../core/data/models/account_profile.dart';
 import '../../core/data/repositories/account_repository.dart';
 import '../../core/data/services/auth_controller.dart';
+import '../../core/formatting/account_display.dart';
 import '../../core/formatting/error_text.dart';
 import '../../core/formatting/localized_date_time.dart';
 import '../../core/theme/app_colors.dart';
@@ -225,6 +226,7 @@ class _AccountProfilePageState extends State<AccountProfilePage> {
   );
 
   Widget _readOnlyCard(AccountProfile profile, AppLocalizations l10n) {
+    final localeName = Localizations.localeOf(context).languageCode;
     return _AccountCard(
       child: Column(
         crossAxisAlignment: CrossAxisAlignment.start,
@@ -238,13 +240,34 @@ class _AccountProfilePageState extends State<AccountProfilePage> {
           ),
           const SizedBox(height: 10),
           _info(l10n.accountMaskedAccount, profile.maskedTarget),
-          _info(l10n.accountCountry, profile.countryCode),
+          _info(
+            l10n.accountCountry,
+            countryName(profile.countryCode, localeName),
+          ),
           _info(l10n.accountCurrency, profile.currency),
-          _info(l10n.accountStatus, profile.status),
-          _info(l10n.accountLanguage, profile.language),
-          _info(l10n.accountTimezone, profile.timezone),
-          _info(l10n.accountRegion, profile.regionCode),
-          _info(l10n.accountVipLevel, '${profile.vipLevel}'),
+          _info(
+            l10n.accountStatus,
+            accountStatusText(profile.status, localeName),
+          ),
+          _info(
+            l10n.accountLanguage,
+            languageName(profile.language, localeName),
+          ),
+          _info(
+            l10n.accountTimezone,
+            timezoneName(profile.timezone, localeName),
+          ),
+          // region 与 country 后端写的是同一个值，重复时不再单列一行
+          if (profile.regionCode.isNotEmpty &&
+              profile.regionCode != profile.countryCode)
+            _info(
+              l10n.accountRegion,
+              countryName(profile.regionCode, localeName),
+            ),
+          _info(
+            l10n.accountVipLevel,
+            vipLevelText(profile.vipLevel, localeName),
+          ),
           if (profile.createdAt != null)
             _info(
               l10n.accountCreatedAt,
@@ -275,7 +298,7 @@ class _AccountProfilePageState extends State<AccountProfilePage> {
         ),
         Flexible(
           child: Text(
-            value.isEmpty ? '-' : value,
+            value.isEmpty ? '—' : value,
             textAlign: TextAlign.right,
             style: const TextStyle(fontSize: AppDimens.body),
           ),

lib/pages/auth/phone_auth_sheet.dart

@@ -8,7 +8,6 @@ import 'package:provider/provider.dart';
 
 import '../../core/data/remote/api_client.dart';
 import '../../core/data/services/auth_controller.dart';
-import '../../core/formatting/error_text.dart';
 import '../../core/platform/haptics.dart';
 import '../../core/platform/keyboard_inset.dart';
 import '../../core/theme/app_colors.dart';

lib/pages/drama_detail/drama_detail_logic.dart

@@ -38,7 +38,6 @@ class DramaDetailLogic extends ChangeNotifier {
   int? continueIndex;
   WatchProgress? progress;
   String? progressError;
-  int _favoriteCountDelta = 0;
   bool _disposed = false;
 
   void notify() {
@@ -47,6 +46,7 @@ class DramaDetailLogic extends ChangeNotifier {
 
   /// 列表卡片只带一集可播预览，进详情时补一次完整剧集列表。
   Future<void> load(Future<Drama> Function() fetch) async {
+    favorites.applyServerCount(drama.id, drama.favoriteCount, notify: false);
     if (drama.detailLoaded) {
       await loadContinue();
       return;
@@ -57,6 +57,7 @@ class DramaDetailLogic extends ChangeNotifier {
     notify();
     try {
       drama = await fetch();
+      favorites.applyServerCount(drama.id, drama.favoriteCount);
       await loadContinue();
     } on ApiException catch (exception) {
       failed = true;
@@ -139,25 +140,12 @@ class DramaDetailLogic extends ChangeNotifier {
     await loadContinue();
   }
 
-  /// 详情页展示用的收藏数；没有服务端计数时继续保持缺省展示。
-  int? get adjustedFavoriteCount {
-    final base = drama.favoriteCount;
-    if (base == null) return null;
-    final adjusted = base + _favoriteCountDelta;
-    return adjusted < 0 ? 0 : adjusted;
-  }
+  /// 详情页展示用的收藏数，统一从全局 FavoriteController 读取。
+  int? get adjustedFavoriteCount => favorites.favoriteCountFor(drama);
 
-  /// 收藏切换：乐观状态由控制器负责回滚，这里只在成功后同步计数。
+  /// 收藏切换：状态与计数均由全局控制器维护。
   Future<bool> toggleFavorite() async {
-    final wasSaved = favorites.isSaved(drama.id);
-    final ok = await favorites.toggle(drama.id, card: drama);
-    if (!ok) return false;
-    final nowSaved = favorites.isSaved(drama.id);
-    if (nowSaved != wasSaved) {
-      _favoriteCountDelta += nowSaved ? 1 : -1;
-      notify();
-    }
-    return true;
+    return favorites.toggle(drama.id, card: drama);
   }
 
   @override

lib/pages/drama_detail/drama_detail_view.dart

@@ -164,7 +164,9 @@ class _DramaDetailPageState extends State<DramaDetailPage> {
             ),
           ),
           if (_tagValues(context, drama).isNotEmpty)
-            SliverToBoxAdapter(child: DramaTags(tags: _tagValues(context, drama))),
+            SliverToBoxAdapter(
+              child: DramaTags(tags: _tagValues(context, drama)),
+            ),
           SliverToBoxAdapter(child: _episodes(l10n, drama, continueIndex)),
           const SliverToBoxAdapter(child: SizedBox(height: 24)),
         ],
@@ -396,11 +398,14 @@ class _DramaDetailPageState extends State<DramaDetailPage> {
   }
 
   Future<void> _toggleFavorite(AppLocalizations l10n) async {
-    if (!await ensureSignedIn(context)) return;
     if (!mounted) return;
     unawaited(context.read<Haptics>().lightImpact());
     final ok = await logic.toggleFavorite();
     if (ok || !mounted) return;
+    if (logic.favorites.lastErrorCode == 200007) {
+      await ensureSignedIn(context);
+      return;
+    }
     ScaffoldMessenger.of(
       context,
     ).showSnackBar(SnackBar(content: Text(l10n.favoriteToggleFailed)));
@@ -443,7 +448,9 @@ class _DramaDetailPageState extends State<DramaDetailPage> {
   }
 
   List<String> _tagValues(BuildContext context, Drama drama) {
-    final localized = drama.localizedTypeLabels(Localizations.localeOf(context).languageCode);
+    final localized = drama.localizedTypeLabels(
+      Localizations.localeOf(context).languageCode,
+    );
     final result = <String>[];
     if (localized.isNotEmpty) {
       result.addAll(localized.take(_maxTags));

lib/pages/drama_detail/widgets/drama_episode_states.dart

@@ -94,7 +94,7 @@ class _DramaEpisodesLoadingState extends State<DramaEpisodesLoading>
               opacity: _opacity,
               child: Container(
                 decoration: BoxDecoration(
-                  color: AppColors.raised,
+                  color: AppColors.skeletonMedia,
                   borderRadius: BorderRadius.circular(_radius),
                 ),
               ),

lib/pages/favorites/favorites_page.dart

@@ -6,7 +6,6 @@ import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 
 import '../../core/data/models/drama.dart';
-import '../../core/data/services/auth_controller.dart';
 import '../../core/data/services/favorite_controller.dart';
 import '../../core/formatting/count_format.dart';
 import '../../core/formatting/error_text.dart';
@@ -77,11 +76,6 @@ class _FavoritesContentState extends State<FavoritesContent> {
   @override
   void didChangeDependencies() {
     super.didChangeDependencies();
-    final signedIn = context.watch<AuthController>().isSignedIn;
-    if (!signedIn) {
-      _requested = false;
-      return;
-    }
     if (_requested) return;
     _requested = true;
     final favorites = context.read<FavoriteController>();
@@ -93,7 +87,6 @@ class _FavoritesContentState extends State<FavoritesContent> {
   @override
   Widget build(BuildContext context) {
     final l10n = AppLocalizations.of(context)!;
-    final signedIn = context.watch<AuthController>().isSignedIn;
     return SafeArea(
       bottom: false,
       child: Column(
@@ -104,9 +97,9 @@ class _FavoritesContentState extends State<FavoritesContent> {
             showBack: widget.showBack,
           ),
           Expanded(
-            child: signedIn
-                ? _FavoritesBody(favorites: context.watch<FavoriteController>())
-                : const AuthGatePanel(),
+            child: _FavoritesBody(
+              favorites: context.watch<FavoriteController>(),
+            ),
           ),
         ],
       ),
@@ -122,6 +115,9 @@ class _FavoritesBody extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     final l10n = AppLocalizations.of(context)!;
+    if (favorites.lastErrorCode == 200007) {
+      return const AuthGatePanel();
+    }
     if (favorites.loading && favorites.cards.isEmpty) {
       return const Center(
         child: CircularProgressIndicator(key: Key('favorites-loading')),

lib/pages/following/following_edit_bar.dart

@@ -27,6 +27,7 @@ const double _barButtonHeight = 30;
 const double _removeDialogButtonHeight = 32;
 const double _removeDialogRadius = 6;
 const double _removeDialogBottomInset = 8;
+const double _cancelFollowingDialogPadding = 20;
 
 /// 播放历史移除确认。只把移除按钮压矮。
 Future<bool> confirmHistoryRemove(BuildContext context) async {
@@ -71,13 +72,32 @@ Future<bool> confirmCancelFollowing(BuildContext context) async {
   return await showDialog<bool>(
         context: context,
         builder: (dialogContext) => AlertDialog(
+          contentPadding: const EdgeInsets.all(_cancelFollowingDialogPadding),
+          actionsPadding: const EdgeInsets.fromLTRB(
+            _cancelFollowingDialogPadding,
+            0,
+            _cancelFollowingDialogPadding,
+            _cancelFollowingDialogPadding,
+          ),
           content: Text(l10n.confirmCancelFollowing),
           actions: [
             TextButton(
+              style: TextButton.styleFrom(
+                visualDensity: VisualDensity.standard,
+                tapTargetSize: MaterialTapTargetSize.shrinkWrap,
+                minimumSize: const Size(0, _removeDialogButtonHeight),
+                padding: const EdgeInsets.symmetric(horizontal: 12),
+              ),
               onPressed: () => Navigator.pop(dialogContext, false),
               child: Text(l10n.cancel),
             ),
             FilledButton(
+              style: FilledButton.styleFrom(
+                visualDensity: VisualDensity.standard,
+                tapTargetSize: MaterialTapTargetSize.shrinkWrap,
+                minimumSize: const Size(0, _removeDialogButtonHeight),
+                padding: const EdgeInsets.symmetric(horizontal: 12),
+              ),
               onPressed: () => Navigator.pop(dialogContext, true),
               child: Text(l10n.cancelFollowing),
             ),

lib/pages/following/following_page.dart

@@ -15,7 +15,6 @@ import '../../core/data/services/watch_records_controller.dart';
 import '../../core/formatting/error_text.dart';
 import '../../core/theme/app_colors.dart';
 import '../../core/theme/app_dimens.dart';
-import '../../core/widgets/auth_gate.dart';
 import '../../core/widgets/empty_state.dart';
 import '../../l10n/app_localizations.dart';
 import '../player/open_player.dart';
@@ -67,7 +66,7 @@ class _FollowingPageState extends State<FollowingPage> {
       history: context.read<WatchHistoryRepository>(),
       catalog: context.read<CatalogRepository>(),
     );
-    if (_wasSignedIn) unawaited(_history.load());
+    unawaited(_history.load());
     WidgetsBinding.instance.addPostFrameCallback((_) {
       if (mounted) unawaited(widget.favoriteController.load());
     });
@@ -75,8 +74,16 @@ class _FollowingPageState extends State<FollowingPage> {
 
   void _onAuthChanged() {
     final signedIn = _auth.isSignedIn;
-    if (signedIn && !_wasSignedIn) unawaited(_history.load());
+    if (signedIn == _wasSignedIn) return;
     _wasSignedIn = signedIn;
+    _leaveEditing();
+    _history.reset();
+    widget.favoriteController.clear();
+    unawaited(_reloadForIdentity());
+  }
+
+  Future<void> _reloadForIdentity() async {
+    await Future.wait([_history.load(), widget.favoriteController.load()]);
   }
 
   @override
@@ -104,7 +111,6 @@ class _FollowingPageState extends State<FollowingPage> {
   @override
   Widget build(BuildContext context) {
     final l10n = AppLocalizations.of(context)!;
-    final signedIn = context.watch<AuthController>().isSignedIn;
     return ColoredBox(
       key: const Key('following-page'),
       color: AppColors.appBackground,
@@ -114,47 +120,44 @@ class _FollowingPageState extends State<FollowingPage> {
           children: [
             _header(l10n),
             Expanded(
-              child: !signedIn
-                  ? const AuthGatePanel()
-                  : PageView(
-                      key: const Key('following-tab-pages'),
-                      controller: _pageController,
-                      onPageChanged: _onPageChanged,
-                      children: [
-                        FollowingKeepAliveTab(
-                          child: FollowingFavoritesGrid(
-                            controller: widget.favoriteController,
-                            selection: FollowingFavoriteSelection(
-                              editing: _editing,
-                              selected: _selected,
-                              onToggle: _toggleDrama,
-                            ),
-                            scrollController: _favoriteScroll,
-                            onGoHome: widget.onGoHome,
-                          ),
-                        ),
-                        FollowingKeepAliveTab(
-                          child: _HistoryList(
-                            controller: _history,
-                            editing: _editing,
-                            scrollController: _historyScroll,
-                            onListEmptied: _exitEditingIfEmpty,
-                          ),
-                        ),
-                      ],
+              child: PageView(
+                key: const Key('following-tab-pages'),
+                controller: _pageController,
+                onPageChanged: _onPageChanged,
+                children: [
+                  FollowingKeepAliveTab(
+                    child: FollowingFavoritesGrid(
+                      controller: widget.favoriteController,
+                      selection: FollowingFavoriteSelection(
+                        editing: _editing,
+                        selected: _selected,
+                        onToggle: _toggleDrama,
+                      ),
+                      scrollController: _favoriteScroll,
+                      onGoHome: widget.onGoHome,
                     ),
-            ),
-            if (signedIn)
-              FollowingEditSlot(
-                tab: _tab,
-                editing: _editing,
-                favorites: widget.favoriteController,
-                selected: _selected,
-                actions: FollowingEditActions(
-                  onToggleAll: _toggleAll,
-                  onRemove: () => unawaited(_cancelSelected()),
-                ),
+                  ),
+                  FollowingKeepAliveTab(
+                    child: _HistoryList(
+                      controller: _history,
+                      editing: _editing,
+                      scrollController: _historyScroll,
+                      onListEmptied: _exitEditingIfEmpty,
+                    ),
+                  ),
+                ],
               ),
+            ),
+            FollowingEditSlot(
+              tab: _tab,
+              editing: _editing,
+              favorites: widget.favoriteController,
+              selected: _selected,
+              actions: FollowingEditActions(
+                onToggleAll: _toggleAll,
+                onRemove: () => unawaited(_cancelSelected()),
+              ),
+            ),
           ],
         ),
       ),
@@ -297,7 +300,7 @@ class _FollowingPageState extends State<FollowingPage> {
     final tab = FollowingTab.values[index];
     _leaveEditing();
     _tab.value = tab;
-    if (tab == FollowingTab.history && _auth.isSignedIn) {
+    if (tab == FollowingTab.history) {
       unawaited(_history.load());
     }
   }

lib/pages/home/widgets/home_feed_grid.dart

@@ -104,6 +104,7 @@ class _HomeFeedGridState extends State<HomeFeedGrid> {
                       return _categoryPlaceholder(
                         l10n,
                         context.watch<CategoryController>(),
+                        catalog,
                       );
                     }
                     final category = shortcuts[index];
@@ -146,7 +147,11 @@ class _HomeFeedGridState extends State<HomeFeedGrid> {
   Widget _categoryPlaceholder(
     AppLocalizations l10n,
     CategoryController controller,
+    CatalogController catalog,
   ) {
+    if (catalog.error != null) {
+      return _catalogErrorState(l10n, catalog);
+    }
     if (controller.loading) {
       return const DramaGridSkeleton(
         key: Key('home-grid-skeleton'),

lib/pages/mine/mine_logic.dart

@@ -18,6 +18,7 @@ class MineLogic extends ChangeNotifier {
   bool recentLoading = false;
   String? recentError;
   bool _disposed = false;
+  int _requestSeq = 0;
 
   void notify() {
     if (!_disposed) notifyListeners();
@@ -25,21 +26,37 @@ class MineLogic extends ChangeNotifier {
 
   /// 最近观看：取分页首屏，剧名封面仍由目录卡片按 id 映射。
   Future<void> refreshRecent() async {
+    final request = ++_requestSeq;
     recentLoading = true;
     recentError = null;
     notify();
     try {
       final page = await history.recent(pageIndex: 1, pageSize: 10);
+      if (_disposed || request != _requestSeq) return;
       recent = page.list;
       watchRecordTotal = page.total;
     } catch (_) {
-      recentError = 'progressError';
+      if (!_disposed && request == _requestSeq) {
+        recentError = 'progressError';
+      }
     } finally {
-      recentLoading = false;
-      notify();
+      if (!_disposed && request == _requestSeq) {
+        recentLoading = false;
+        notify();
+      }
     }
   }
 
+  /// 切换账号/设备身份时先清空，避免旧身份数据回写或短暂混显。
+  void resetRecent() {
+    _requestSeq += 1;
+    recent = const [];
+    watchRecordTotal = null;
+    recentLoading = false;
+    recentError = null;
+    notify();
+  }
+
   /// 页面重新可见时刷新最近观看，避免停留在旧进度。
   void syncPage({required bool active, required bool wasActive}) {
     if (active && !wasActive) refreshRecent();

lib/pages/mine/mine_view.dart

@@ -6,8 +6,11 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:provider/provider.dart';
 
+import '../../core/data/models/drama.dart';
+import '../../core/data/models/watch_progress.dart';
 import '../../core/data/repositories/watch_history_repository.dart';
 import '../../core/data/services/auth_controller.dart';
+import '../../core/data/services/catalog_controller.dart';
 import '../../core/data/services/favorite_controller.dart';
 import '../../core/data/services/locale_controller.dart';
 import '../../core/data/services/wallet_controller.dart';
@@ -22,6 +25,7 @@ import '../downloads/downloads_page.dart';
 import '../account/account_profile_page.dart';
 import '../filter/filter_page.dart';
 import '../notices/notices_page.dart';
+import '../player/open_player.dart';
 import '../settings/settings_page.dart';
 import '../store/vip_page.dart';
 import '../wallet/wallet_page.dart';
@@ -53,25 +57,70 @@ class MyPage extends StatefulWidget {
 
 class _MyPageState extends State<MyPage> {
   late final MineLogic logic;
+  late final AuthController _auth;
+  late final FavoriteController _favorites;
+  late bool _wasSignedIn;
+  bool _activationRefreshScheduled = false;
 
   bool get embedded => widget.callbacks.embedded;
 
   @override
   void initState() {
     super.initState();
+    _auth = context.read<AuthController>();
+    _favorites = context.read<FavoriteController>();
+    _wasSignedIn = _auth.isSignedIn;
+    _auth.addListener(_onAuthChanged);
     logic = MineBinding().create(
       history: context.read<WatchHistoryRepository>(),
     );
+    if (widget.active) _scheduleFavoriteLoad();
   }
 
   @override
   void didUpdateWidget(covariant MyPage oldWidget) {
     super.didUpdateWidget(oldWidget);
-    logic.syncPage(active: widget.active, wasActive: oldWidget.active);
+    if (widget.active && !oldWidget.active) {
+      _scheduleActivationRefresh();
+    }
+  }
+
+  void _scheduleFavoriteLoad() {
+    if (_activationRefreshScheduled) return;
+    _activationRefreshScheduled = true;
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      _activationRefreshScheduled = false;
+      if (mounted) unawaited(_favorites.load());
+    });
+  }
+
+  void _scheduleActivationRefresh() {
+    if (_activationRefreshScheduled) return;
+    _activationRefreshScheduled = true;
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      _activationRefreshScheduled = false;
+      if (!mounted || !widget.active) return;
+      logic.syncPage(active: true, wasActive: false);
+      unawaited(_favorites.load());
+    });
+  }
+
+  void _onAuthChanged() {
+    final signedIn = _auth.isSignedIn;
+    if (signedIn == _wasSignedIn) return;
+    _wasSignedIn = signedIn;
+    logic.resetRecent();
+    _favorites.clear();
+    unawaited(_reloadForIdentity());
+  }
+
+  Future<void> _reloadForIdentity() async {
+    await Future.wait([logic.refreshRecent(), _favorites.load()]);
   }
 
   @override
   void dispose() {
+    _auth.removeListener(_onAuthChanged);
     logic.dispose();
     super.dispose();
   }
@@ -141,12 +190,14 @@ class _MyPageState extends State<MyPage> {
     final wallet = context.watch<WalletController>();
     final continueWatching = logic.recent.take(10).toList(growable: false);
     final followingCount =
-        auth.isSignedIn &&
-            favorites.error == null &&
-            !(favorites.loading && favorites.total == 0)
+        favorites.error == null && !(favorites.loading && favorites.total == 0)
         ? favorites.total
         : null;
-    final watchRecordCount = auth.isSignedIn ? logic.watchRecordTotal : null;
+    final watchRecordCount =
+        logic.recentError == null &&
+            !(logic.recentLoading && logic.watchRecordTotal == null)
+        ? logic.watchRecordTotal
+        : null;
     final coinBalance = auth.isSignedIn && wallet.snapshot != null
         ? wallet.balance
         : null;
@@ -175,6 +226,7 @@ class _MyPageState extends State<MyPage> {
           const SizedBox(height: AppDimens.mineSectionGap),
           MineContinueWatching(
             records: continueWatching,
+            onOpenRecord: _openContinueRecord,
             onOpenAll: _openHistoryTab,
           ),
         ],
@@ -216,7 +268,7 @@ class _MyPageState extends State<MyPage> {
   void _openDestination(MineDestination destination) {
     switch (destination) {
       case MineDestination.history:
-        _push(const WatchRecordsPage());
+        unawaited(_openHistoryPage());
       case MineDestination.downloads:
         _push(const DownloadsPage());
       case MineDestination.wallet:
@@ -244,15 +296,52 @@ class _MyPageState extends State<MyPage> {
       callback();
       return;
     }
-    _push(const WatchRecordsPage());
+    unawaited(_openHistoryPage());
   }
 
-  void _push(Widget page) {
-    Navigator.of(context).push<void>(MaterialPageRoute(builder: (_) => page));
+  /// 继续观看卡片：补齐剧集后直接进全屏播放页，播放器自己会定位到记录的秒数。
+  Future<void> _openContinueRecord(WatchProgress record) async {
+    final catalog = context.read<CatalogController>();
+    // 续看记录只有剧的概要信息，先拼一个占位对象让目录去取完整详情
+    final summary = Drama(
+      id: record.dramaId,
+      title: record.dramaTitle ?? '',
+      synopsis: '',
+      posterUrl: record.dramaCover ?? '',
+    );
+    Drama drama;
+    try {
+      drama = await catalog.requireDetail(summary);
+    } catch (_) {
+      if (!mounted) return;
+      final l10n = AppLocalizations.of(context)!;
+      ScaffoldMessenger.of(
+        context,
+      ).showSnackBar(SnackBar(content: Text(l10n.detailLoadFailed)));
+      return;
+    }
+    if (!mounted) return;
+    await playDramaFromCatalog(
+      context,
+      drama,
+      episodeId: record.episodeId.isEmpty ? null : record.episodeId,
+    );
+    if (mounted) unawaited(logic.refreshRecent());
+  }
+
+  Future<void> _openHistoryPage() async {
+    await _push(const WatchRecordsPage());
+    if (mounted) unawaited(logic.refreshRecent());
+  }
+
+  Future<void> _push(Widget page) {
+    return Navigator.of(
+      context,
+    ).push<void>(MaterialPageRoute(builder: (_) => page));
   }
 
   void _pushPlaceholder() {
-    _push(const _MinePlaceholderPage());
+    unawaited(_push(const _MinePlaceholderPage()));
   }
 
   Future<void> _openProtected(Widget page) async {
@@ -260,7 +349,7 @@ class _MyPageState extends State<MyPage> {
       await ensureSignedIn(context);
       return;
     }
-    if (mounted) _push(page);
+    if (mounted) await _push(page);
   }
 
   void _openVip() {

lib/pages/mine/widgets/mine_continue_watching.dart

@@ -12,10 +12,14 @@ class MineContinueWatching extends StatelessWidget {
   const MineContinueWatching({
     super.key,
     required this.records,
+    required this.onOpenRecord,
     required this.onOpenAll,
   });
 
   final List<WatchProgress> records;
+
+  /// 单张卡片：直接进入该剧的播放页，并定位到记录的集。
+  final ValueChanged<WatchProgress> onOpenRecord;
   final VoidCallback onOpenAll;
 
   @override
@@ -94,7 +98,11 @@ class MineContinueWatching extends StatelessWidget {
     );
   }
 
-  Widget _card(AppLocalizations l10n, WatchProgress record, String languageCode) {
+  Widget _card(
+    AppLocalizations l10n,
+    WatchProgress record,
+    String languageCode,
+  ) {
     final title = record.localizedTitle(languageCode).trim();
     final episode = record.episodeNumber;
     final hasProgress = record.duration > Duration.zero;
@@ -103,7 +111,7 @@ class MineContinueWatching extends StatelessWidget {
       child: InkWell(
         key: Key('mine-continue-${record.dramaId}'),
         borderRadius: BorderRadius.circular(AppDimens.homeCardRadius),
-        onTap: onOpenAll,
+        onTap: () => onOpenRecord(record),
         child: Column(
           crossAxisAlignment: CrossAxisAlignment.start,
           children: [

lib/pages/new_releases/new_releases_page.dart

@@ -432,7 +432,7 @@ class _NewReleasesPageState extends State<NewReleasesPage> {
                 ),
               ),
             ),
-            const SizedBox(height: 6),
+            const SizedBox(height: 4),
             Text(
               drama.title,
               maxLines: 1,

lib/pages/player/comments_auth.dart

@@ -1,24 +1,14 @@
 // Author: fruit.com.cn
 
 import 'package:flutter/material.dart';
-import 'package:provider/provider.dart';
 
 import '../../core/data/models/drama.dart';
-import '../../core/data/services/auth_controller.dart';
-import '../../core/widgets/auth_gate.dart';
 
-/// 评论入口统一登录闸：登录成功且页面仍存在时再打开评论面板。
-Future<void> openCommentsWithAuth(
+/// 评论列表与非付费互动均支持设备身份，不再把登录作为入口前置条件。
+Future<void> openComments(
   BuildContext context,
   Drama drama, {
   required Future<void> Function(BuildContext context, Drama drama) show,
 }) async {
-  final auth = context.read<AuthController>();
-  if (auth.isSignedIn) {
-    await show(context, drama);
-    return;
-  }
-  await ensureSignedIn(context);
-  if (!context.mounted || !auth.isSignedIn) return;
   await show(context, drama);
 }

lib/pages/player/player_binding.dart

@@ -15,6 +15,7 @@ class PlayerBinding {
     required PlaybackPositionCache positionCache,
     WalletController? wallet,
     DownloadController? downloads,
+    bool Function()? isSignedIn,
   }) => PlayerLogic(
     history: history,
     playback: playback,
@@ -22,5 +23,6 @@ class PlayerBinding {
     pictureInPicture: AndroidPictureInPicture(),
     wallet: wallet,
     downloads: downloads,
+    isSignedIn: isSignedIn,
   );
 }

lib/pages/player/player_logic.dart

@@ -2,12 +2,14 @@
 
 import 'dart:async';
 
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:video_player/video_player.dart';
 import 'package:flutter/scheduler.dart';
 import 'package:provider/provider.dart';
 
 import '../../core/data/models/drama.dart';
+import '../../core/data/models/episode_stats.dart';
 import '../../core/data/models/play_ticket.dart';
 import '../../core/data/models/watch_progress.dart';
 import '../../core/data/models/player_port.dart';
@@ -50,9 +52,13 @@ class PlayerLogic extends ChangeNotifier {
     this.downloads,
     PlaybackPositionCache? positionCache,
     Future<void> Function()? waitForFrame,
+    DateTime Function()? clock,
+    bool Function()? isSignedIn,
   }) : positionCache = positionCache ?? PlaybackPositionCache(),
        _waitForFrame =
-           waitForFrame ?? (() => WidgetsBinding.instance.endOfFrame);
+           waitForFrame ?? (() => WidgetsBinding.instance.endOfFrame),
+       _clock = clock ?? DateTime.now,
+       _isSignedIn = isSignedIn ?? (() => true);
 
   final WatchHistoryRepository history;
   final PlaybackRepository playback;
@@ -61,6 +67,8 @@ class PlayerLogic extends ChangeNotifier {
   final DownloadController? downloads;
   final PlaybackPositionCache positionCache;
   final Future<void> Function() _waitForFrame;
+  final DateTime Function() _clock;
+  final bool Function() _isSignedIn;
 
   late PageController pages;
   late PlaybackQueue queue;
@@ -93,13 +101,24 @@ class PlayerLogic extends ChangeNotifier {
   String selectedQuality = 'AUTO';
   Duration? _qualitySeek;
   int pageRequest = 0;
+  int? _pendingSelectionIndex;
+  int? _pendingSelectionRevision;
+  Future<void>? _selectionDrain;
   bool muted = false;
   double playbackSpeed = 1.0;
   bool stoppedAtFeedEnd = false;
+  Duration episodeStatsTtl = const Duration(seconds: 60);
+  ValueChanged<EpisodeStats>? onEpisodeStatsUpdated;
   VideoPlayerPort? scrubbingPlayer;
   bool pip = false;
   bool pipPreparing = false;
   final Map<String, int> pickedEpisode = {};
+  final Set<String> _unlockedEpisodeIds = {};
+  final Map<String, EpisodeStats> _episodeStats = {};
+  final Map<String, DateTime> _episodeStatsFetchedAt = {};
+  final Map<String, Future<void>> _episodeStatsInFlight = {};
+  final Map<String, int> _episodeStatsRevision = {};
+  final Map<String, int> _dramaStatsRevision = {};
 
   /// 解锁中的集 id 与失败文案；空表示没有进行中的解锁。
   String? unlockingEpisodeId;
@@ -163,6 +182,8 @@ class PlayerLogic extends ChangeNotifier {
     return fallback;
   }
 
+  EpisodeStats? episodeStats(String episodeId) => _episodeStats[episodeId];
+
   void notify() {
     if (!_disposed) notifyListeners();
   }
@@ -188,6 +209,7 @@ class PlayerLogic extends ChangeNotifier {
   void start({
     required PlayerFactory factory,
     required PlaybackCoordinator coordinator,
+    bool initialUserWantsPlay = true,
   }) {
     _started = true;
     _sessionFactory = factory;
@@ -205,7 +227,48 @@ class PlayerLogic extends ChangeNotifier {
       session.setRouteVisible(false);
     }
     unawaited(loadResumePoint());
-    unawaited(selectEpisode(initialIndex));
+    unawaited(
+      selectEpisode(
+        initialIndex,
+        userWantsPlay: initialUserWantsPlay ? null : false,
+      ),
+    );
+  }
+
+  /// 独立播放页覆盖首页时只暂停并保存进度，首页 session 与 controller 保持存活。
+  Future<void> pauseForFullPlayer() async {
+    if (!_started) return;
+    _logFeedHandoff('pause');
+    cancelScrub();
+    await session.pauseForRouteHandoff();
+    _logFeedHandoff('paused');
+  }
+
+  /// 独立播放页关闭并恢复首页路由后，等原生播放器实际恢复再结束交接。
+  Future<void> resumeAfterFullPlayer() async {
+    if (!_started) return;
+    _logFeedHandoff('resume');
+    if (visibleIndices.isNotEmpty) {
+      await session.resumeForRouteHandoff();
+    } else {
+      session.setRouteVisible(false);
+      await session.playbackSettled;
+    }
+    _logFeedHandoff('resumed');
+  }
+
+  void _logFeedHandoff(String phase) {
+    if (!kDebugMode) return;
+    final player = session.active;
+    final video = player is VideoPlayerPort ? player : null;
+    debugPrint(
+      '[feed-session] phase=$phase session=${identityHashCode(session)} '
+      'index=${session.currentIndex} episode=${session.currentEpisode.id} '
+      'controller=${video == null ? '-' : identityHashCode(video.controller)} '
+      'user=${session.userWantsPlay} routeVisible=${session.debugRouteVisible} '
+      'appResumed=${session.debugAppResumed} overlayOpen=${session.debugOverlayOpen} '
+      'live=${session.livePlayerCount}',
+    );
   }
 
   /// 串行替换首页 feed 队列；频道变化时重置到第 1 个，刷新时尽量保留当前剧。
@@ -238,11 +301,16 @@ class PlayerLogic extends ChangeNotifier {
       episodes: sessionEpisodes,
       factory: factory,
       // 地址只由后端下发（票据或详情里的免费集签名地址），拿不到地址即视为锁定
-      canPlay: (episode) => episode.videoUrl.isNotEmpty,
+      canPlay: (episode) =>
+          episode.videoUrl.isNotEmpty && !isEpisodeLocked(episode),
       prepare: preparePlayer,
       activate: activatePlayer,
       coordinator: coordinator,
       waitForFrame: _waitForFrame,
+      owner: homeMode ? PlaybackSessionOwner.home : PlaybackSessionOwner.player,
+      dramaIdAt: (index) => index >= 0 && index < queue.length
+          ? queue.entryAt(index).drama.id
+          : null,
     );
   }
 
@@ -428,6 +496,7 @@ class PlayerLogic extends ChangeNotifier {
       final localPath = await downloads?.findLocalPath(episode.id);
       if (request != pageRequest) return false;
       if (localPath != null) {
+        _unlockedEpisodeIds.add(episode.id);
         blockedTicket = null;
         blockedEpisodeId = null;
         qualities = const [];
@@ -452,12 +521,14 @@ class PlayerLogic extends ChangeNotifier {
       final playUrl = preferred ?? ticket.playUrl;
       if (preferred == null) selectedQuality = 'AUTO';
       if (ticket.accessible && playUrl.isNotEmpty) {
+        _unlockedEpisodeIds.add(episode.id);
         // 签名地址原样写回，不做任何拼接/改写（AppConfig.mediaUrl 只补 host）
         sessionEpisodes[index] = episode.withVideoUrl(
           playUrl,
           likeCount: ticket.likeCount,
           commentCount: ticket.commentCount,
           thumbnailsUrl: ticket.thumbnailsUrl,
+          posterUrl: ticket.posterUrl,
         );
         return true;
       }
@@ -467,7 +538,7 @@ class PlayerLogic extends ChangeNotifier {
     } catch (exception) {
       if (request != pageRequest) return false;
       // 详情里已有可用地址（免费集）时降级继续，避免票据服务抖动就完全看不了
-      if (episode.videoUrl.isNotEmpty) {
+      if (episode.videoUrl.isNotEmpty && !isEpisodeLocked(episode)) {
         ticketError = null;
         return true;
       }
@@ -481,6 +552,160 @@ class PlayerLogic extends ChangeNotifier {
     }
   }
 
+  /// 当前集激活后刷新轻量互动计数；同集命中 TTL 或已有请求时不重复发请求。
+  Future<void> refreshEpisodeStats(int index) {
+    if (_disposed || index < 0 || index >= sessionEpisodes.length) {
+      return Future<void>.value();
+    }
+    final episodeId = sessionEpisodes[index].id;
+    final cached = _episodeStats[episodeId];
+    final fetchedAt = _episodeStatsFetchedAt[episodeId];
+    if (cached != null &&
+        fetchedAt != null &&
+        _clock().difference(fetchedAt) < episodeStatsTtl) {
+      _logEpisodeStatsRefresh(episodeId, cached: true);
+      onEpisodeStatsUpdated?.call(cached);
+      return Future<void>.value();
+    }
+    final inFlight = _episodeStatsInFlight[episodeId];
+    if (inFlight != null) {
+      _logEpisodeStatsRefresh(episodeId, cached: true, inFlight: true);
+      return inFlight;
+    }
+    _logEpisodeStatsRefresh(episodeId, cached: false);
+    final expectedDramaId = index < queue.length
+        ? queue.entryAt(index).drama.id
+        : '';
+    final episodeRevision = _episodeStatsRevision[episodeId] ?? 0;
+    final dramaRevision = _dramaStatsRevision[expectedDramaId] ?? 0;
+    late final Future<void> request;
+    request =
+        _fetchEpisodeStats(
+          episodeId,
+          expectedDramaId: expectedDramaId,
+          episodeRevision: episodeRevision,
+          dramaRevision: dramaRevision,
+        ).whenComplete(() {
+          if (identical(_episodeStatsInFlight[episodeId], request)) {
+            _episodeStatsInFlight.remove(episodeId);
+          }
+        });
+    _episodeStatsInFlight[episodeId] = request;
+    return request;
+  }
+
+  Future<void> _fetchEpisodeStats(
+    String episodeId, {
+    required String expectedDramaId,
+    required int episodeRevision,
+    required int dramaRevision,
+  }) async {
+    try {
+      final fetched = await playback.episodeStats(episodeId);
+      if (_disposed) return;
+      if ((_episodeStatsRevision[episodeId] ?? 0) != episodeRevision ||
+          (_dramaStatsRevision[expectedDramaId] ?? 0) != dramaRevision) {
+        if (kDebugMode) {
+          debugPrint(
+            '[player] phase=episode-stats-discarded episodeId=$episodeId '
+            'reason=local-state-newer',
+          );
+        }
+        return;
+      }
+      final stats = fetched.copyWith(
+        dramaId: fetched.dramaId.isEmpty ? expectedDramaId : fetched.dramaId,
+      );
+      _episodeStats[episodeId] = stats;
+      _episodeStatsFetchedAt[episodeId] = _clock();
+      final episodeIndex = sessionEpisodes.indexWhere(
+        (episode) => episode.id == episodeId,
+      );
+      if (episodeIndex >= 0) {
+        sessionEpisodes[episodeIndex] = sessionEpisodes[episodeIndex].withStats(
+          likeCount: stats.likeCount,
+          commentCount: stats.commentCount,
+        );
+      }
+      onEpisodeStatsUpdated?.call(stats);
+      notify();
+    } catch (_) {
+      // 统计接口只负责校准计数，失败时保留播放与旧值。
+    }
+  }
+
+  void _logEpisodeStatsRefresh(
+    String episodeId, {
+    required bool cached,
+    bool inFlight = false,
+  }) {
+    if (!kDebugMode) return;
+    debugPrint(
+      '[player] phase=episode-stats-refresh episodeId=$episodeId '
+      'cached=${cached ? 1 : 0}${inFlight ? ' inFlight=1' : ''}',
+    );
+  }
+
+  /// 点赞成功后同步本地统计快照，避免切回时被旧缓存覆盖。
+  void applyEpisodeLikeState(
+    String episodeId, {
+    required bool liked,
+    required int likeCount,
+  }) {
+    _episodeStatsRevision.update(
+      episodeId,
+      (value) => value + 1,
+      ifAbsent: () => 1,
+    );
+    final stats = _episodeStats[episodeId];
+    if (stats != null) {
+      _episodeStats[episodeId] = stats.copyWith(
+        liked: liked,
+        likeCount: likeCount,
+      );
+    }
+    final index = sessionEpisodes.indexWhere(
+      (episode) => episode.id == episodeId,
+    );
+    if (index >= 0) {
+      sessionEpisodes[index] = sessionEpisodes[index].withStats(
+        likeCount: likeCount,
+      );
+    }
+    notify();
+  }
+
+  /// 评论面板关闭后同步评论数。
+  void applyEpisodeCommentCount(String episodeId, int commentCount) {
+    _episodeStatsRevision.update(
+      episodeId,
+      (value) => value + 1,
+      ifAbsent: () => 1,
+    );
+    final stats = _episodeStats[episodeId];
+    if (stats != null) {
+      _episodeStats[episodeId] = stats.copyWith(commentCount: commentCount);
+    }
+    final index = sessionEpisodes.indexWhere(
+      (episode) => episode.id == episodeId,
+    );
+    if (index >= 0) {
+      sessionEpisodes[index] = sessionEpisodes[index].withStats(
+        commentCount: commentCount,
+      );
+    }
+    notify();
+  }
+
+  /// 收藏成功后让旧 stats 请求失效，计数本身只写 FavoriteController。
+  void markDramaFavoriteChanged(String dramaId) {
+    _dramaStatsRevision.update(
+      dramaId,
+      (value) => value + 1,
+      ifAbsent: () => 1,
+    );
+  }
+
   String _fileUrl(String path) =>
       path.startsWith('file:') ? path : Uri.file(path).toString();
 
@@ -553,7 +778,10 @@ class PlayerLogic extends ChangeNotifier {
   /// 金币解锁当前集；成功后强制刷新票据并直接起播。
   Future<bool> unlockEpisode(int index) async {
     final service = wallet;
-    if (service == null || index < 0 || index >= sessionEpisodes.length) {
+    if (service == null ||
+        !_isSignedIn() ||
+        index < 0 ||
+        index >= sessionEpisodes.length) {
       return false;
     }
     final episode = sessionEpisodes[index];
@@ -566,6 +794,7 @@ class PlayerLogic extends ChangeNotifier {
         unlockError = service.unlockError;
         return false;
       }
+      _unlockedEpisodeIds.add(episode.id);
       final ready = await ensureTicket(index, forceRefresh: true);
       if (ready) {
         await _selectVisible(index);
@@ -951,7 +1180,43 @@ class PlayerLogic extends ChangeNotifier {
     );
   }
 
-  Future<void> selectEpisode(int index, {int? revision}) async {
+  /// 翻页入口使用 single-flight：执行中的切集不被重复排队，只保留最新目标。
+  Future<void> requestEpisodeSelection(int index, {int? revision}) {
+    if (_disposed || index < 0 || index >= sessionEpisodes.length) {
+      return Future<void>.value();
+    }
+    _pendingSelectionIndex = index;
+    _pendingSelectionRevision = revision;
+    return _selectionDrain ??= _drainEpisodeSelections();
+  }
+
+  Future<void> _drainEpisodeSelections() async {
+    try {
+      while (!_disposed) {
+        final index = _pendingSelectionIndex;
+        if (index == null) break;
+        final revision = _pendingSelectionRevision;
+        _pendingSelectionIndex = null;
+        _pendingSelectionRevision = null;
+        await selectEpisode(index, revision: revision);
+      }
+    } finally {
+      _selectionDrain = null;
+      final index = _pendingSelectionIndex;
+      if (!_disposed && index != null) {
+        unawaited(
+          requestEpisodeSelection(index, revision: _pendingSelectionRevision),
+        );
+      }
+    }
+  }
+
+  Future<void> selectEpisode(
+    int index, {
+    int? revision,
+    bool? userWantsPlay,
+  }) async {
+    if (index < 0 || index >= sessionEpisodes.length) return;
     final feedRevisionAtStart = revision ?? feedRevision;
     final request = ++pageRequest;
     cancelScrub();
@@ -962,6 +1227,26 @@ class PlayerLogic extends ChangeNotifier {
         !isMounted()) {
       return;
     }
+    final episode = sessionEpisodes[index];
+    if (isEpisodeLocked(episode)) {
+      blockedTicket = null;
+      blockedEpisodeId = episode.id;
+      ticketError = null;
+      await session.selectLocked(
+        index,
+        preloadIndex: nextVisibleIndex(index),
+        previousIndex: previousVisibleIndex(index),
+      );
+      if (request != pageRequest ||
+          feedRevisionAtStart != feedRevision ||
+          !isMounted()) {
+        return;
+      }
+      if (!_isSignedIn()) {
+        unawaited(refreshEpisodeStats(index));
+        return;
+      }
+    }
     // 起播前先要票据：拿不到就不起播，交给三态 UI 提示（失败可重试）
     final ready = await ensureTicket(index);
     if (request != pageRequest ||
@@ -969,17 +1254,30 @@ class PlayerLogic extends ChangeNotifier {
         !isMounted()) {
       return;
     }
-    if (!ready && ticketError != null) return;
-    await _selectVisible(index);
+    if (!ready) {
+      unawaited(refreshEpisodeStats(index));
+      return;
+    }
+    await _selectVisible(index, userWantsPlay: userWantsPlay);
+  }
+
+  /// 收费集只有在本会话确认可播或解锁成功后才解除门禁。
+  bool isEpisodeLocked(Episode episode) {
+    return (episode.locked || !episode.isFree) &&
+        !_unlockedEpisodeIds.contains(episode.id);
   }
 
   /// 按可见队列选择一集，并预热上一集与下一集。
-  Future<void> _selectVisible(int index) {
-    return session.select(
+  Future<void> _selectVisible(int index, {bool? userWantsPlay}) async {
+    await session.select(
       index,
       preloadIndex: nextVisibleIndex(index),
       previousIndex: previousVisibleIndex(index),
+      userWantsPlay: userWantsPlay,
     );
+    if (!_disposed && session.currentIndex == index) {
+      unawaited(refreshEpisodeStats(index));
+    }
   }
 
   int? nextVisibleIndex(int index) {
@@ -1113,12 +1411,10 @@ class PlayerLogic extends ChangeNotifier {
     Drama drama,
     int index,
   ) async {
-    session.setRouteVisible(false);
-    await session.playbackSettled;
-    await saveCurrentProgress();
-    if (!context.mounted) return;
-    await Navigator.of(context).push(
+    final route = Navigator.of(context).push(
       FadePageRoute<void>(
+        transitionDuration: Duration.zero,
+        reverseTransitionDuration: Duration.zero,
         builder: (_) => PlayerPage(
           drama: drama,
           initialIndex: index,
@@ -1127,7 +1423,14 @@ class PlayerLogic extends ChangeNotifier {
         ),
       ),
     );
-    if (isMounted()) session.setRouteVisible(active);
+    if (kDebugMode) {
+      debugPrint('[player-entry] phase=route-pushed source=watch-all ms=0');
+    }
+    unawaited(pauseForFullPlayer());
+    unawaited(saveCurrentProgress());
+    await route;
+    if (!isMounted()) return;
+    await resumeAfterFullPlayer();
   }
 
   Future<void> showEpisodes(BuildContext context) async {

lib/pages/player/player_view_actions.dart

@@ -65,6 +65,11 @@ extension _PlayerViewActions on _PlayerPageState {
   ) async {
     final wallet = logic.wallet;
     if (wallet == null) return;
+    if (!context.read<AuthController>().isSignedIn &&
+        !await ensureSignedIn(context)) {
+      return;
+    }
+    if (!context.mounted) return;
     await showModalBottomSheet<bool>(
       context: context,
       backgroundColor: AppColors.transparent,
@@ -81,7 +86,7 @@ extension _PlayerViewActions on _PlayerPageState {
   }
 
   Future<bool> _unlockEpisode(BuildContext context, int index) async {
-    if (!await ensureSignedIn(context) || !context.mounted) return false;
+    if (!context.read<AuthController>().isSignedIn) return false;
     final ok = await logic.unlockEpisode(index);
     if (ok || !context.mounted) return ok;
     final l10n = AppLocalizations.of(context)!;
@@ -99,18 +104,53 @@ extension _PlayerViewActions on _PlayerPageState {
     Episode episode, {
     bool likeOnly = false,
   }) async {
-    unawaited(context.read<Haptics>().lightImpact());
-    if (interactions.isEpisodeBusy(episode.id) ||
-        (likeOnly && interactions.isEpisodeLiked(episode.id))) {
-      return;
+    final busyBefore = interactions.isEpisodeBusy(episode.id);
+    final likedBefore = interactions.isEpisodeLiked(episode.id);
+    if (kDebugMode) {
+      debugPrint(
+        '[player-like] phase=toggle-start '
+        'episodeId=${episode.id} likeOnly=$likeOnly '
+        'busy=$busyBefore liked=$likedBefore',
+      );
     }
-    if (!await ensureSignedIn(context) || !context.mounted) return;
-    if (interactions.isEpisodeBusy(episode.id) ||
-        (likeOnly && interactions.isEpisodeLiked(episode.id))) {
+    unawaited(context.read<Haptics>().lightImpact());
+    if (busyBefore || (likeOnly && likedBefore)) {
+      if (kDebugMode) {
+        debugPrint(
+          '[player-like] phase=toggle-skipped '
+          'episodeId=${episode.id} '
+          'reason=${busyBefore ? 'busy' : 'already-liked'}',
+        );
+      }
       return;
     }
     final result = await interactions.toggleEpisodeLike(episode.id);
-    if (result.isSuccess || !context.mounted) return;
+    if (kDebugMode) {
+      debugPrint(
+        '[player-like] phase=toggle-result '
+        'episodeId=${episode.id} success=${result.isSuccess} '
+        'liked=${interactions.isEpisodeLiked(episode.id)} '
+        'count=${interactions.episodeLikeCount(episode.id)} '
+        'error=${result.errorMessage ?? '-'}',
+      );
+    }
+    if (result.isSuccess) {
+      final likeCount = interactions.episodeLikeCount(episode.id);
+      if (likeCount != null) {
+        logic.applyEpisodeLikeState(
+          episode.id,
+          liked: interactions.isEpisodeLiked(episode.id),
+          likeCount: likeCount,
+        );
+      }
+      _refreshLikeState();
+      return;
+    }
+    if (!context.mounted) return;
+    if (result.errorCode == 200007) {
+      await ensureSignedIn(context);
+      return;
+    }
     showCenteredToast(
       context,
       result.errorMessage ?? AppLocalizations.of(context)!.likeFailed,
@@ -119,7 +159,6 @@ extension _PlayerViewActions on _PlayerPageState {
 
   Future<void> _toggleSave(BuildContext context, Drama drama) async {
     final favorites = context.read<FavoriteController>();
-    if (!await ensureSignedIn(context) || !context.mounted) return;
     unawaited(context.read<Haptics>().lightImpact());
     final wasSaved = favorites.isSaved(drama.id);
     final ok = await favorites.toggle(drama.id, card: drama);
@@ -127,10 +166,14 @@ extension _PlayerViewActions on _PlayerPageState {
     if (ok) {
       final nowSaved = favorites.isSaved(drama.id);
       if (nowSaved != wasSaved) {
-        _applyFavoriteDelta(drama.id, nowSaved: nowSaved);
+        logic.markDramaFavoriteChanged(drama.id);
       }
       return;
     }
+    if (favorites.lastErrorCode == 200007) {
+      await ensureSignedIn(context);
+      return;
+    }
     ScaffoldMessenger.of(context).showSnackBar(
       SnackBar(
         content: Text(AppLocalizations.of(context)!.favoriteToggleFailed),

lib/pages/player/widgets/comment_composer_sheet.dart

@@ -9,7 +9,6 @@ import 'package:flutter/services.dart';
 import 'package:provider/provider.dart';
 
 import '../../../core/data/models/comment.dart';
-import '../../../core/data/services/auth_controller.dart';
 import '../../../core/data/services/comment_controller.dart';
 import '../../../core/platform/haptics.dart';
 import '../../../core/platform/keyboard_inset.dart';
@@ -196,23 +195,20 @@ class _CommentComposerSheetState extends State<CommentComposerSheet> {
       return;
     }
     final l10n = AppLocalizations.of(context)!;
+    if (result.errorCode == 200007) {
+      await ensureSignedIn(context);
+      return;
+    }
     ScaffoldMessenger.of(context).showSnackBar(
       SnackBar(content: Text(result.errorMessage ?? l10n.commentPostFailed)),
     );
   }
 
-  Future<void> _authenticate() async {
-    await ensureSignedIn(context);
-    if (!mounted || !context.read<AuthController>().isSignedIn) return;
-    _inputFocus.requestFocus();
-  }
-
   @override
   Widget build(BuildContext context) {
     final l10n = AppLocalizations.of(context)!;
-    final signedIn = context.watch<AuthController>().isSignedIn;
     final hasContent = _input.text.trim().isNotEmpty;
-    final canPost = signedIn && hasContent && !widget.controller.submitting;
+    final canPost = hasContent && !widget.controller.submitting;
     final multiline = _input.text.contains('\n');
     final bottomInset = _isAndroid
         ? _pinnedKeyboardInset
@@ -247,8 +243,8 @@ class _CommentComposerSheetState extends State<CommentComposerSheet> {
                 key: const Key('comment-composer-input'),
                 controller: _input,
                 focusNode: _inputFocus,
-                readOnly: !signedIn,
-                canRequestFocus: signedIn,
+                readOnly: false,
+                canRequestFocus: true,
                 minLines: 1,
                 maxLines: 4,
                 maxLength: _maxCommentLength,
@@ -262,9 +258,7 @@ class _CommentComposerSheetState extends State<CommentComposerSheet> {
                 ),
                 cursorColor: AppColors.blue,
                 decoration: InputDecoration(
-                  hintText: signedIn
-                      ? l10n.writeComment
-                      : l10n.commentLoginHint,
+                  hintText: l10n.writeComment,
                   hintStyle: const TextStyle(
                     color: AppColors.muted,
                     fontSize: 14,
@@ -278,7 +272,7 @@ class _CommentComposerSheetState extends State<CommentComposerSheet> {
                   enabledBorder: InputBorder.none,
                   focusedBorder: InputBorder.none,
                 ),
-                onTap: signedIn ? null : _authenticate,
+                onTap: null,
               ),
             ),
             const SizedBox(height: 12),

lib/pages/player/widgets/drama_comments_sheet.dart

@@ -11,11 +11,9 @@ import '../../../core/data/models/comment.dart';
 import '../../../core/data/models/drama.dart';
 import '../../../core/data/repositories/comment_repository.dart';
 import '../../../core/data/repositories/interaction_repository.dart';
-import '../../../core/data/services/auth_controller.dart';
 import '../../../core/data/services/comment_controller.dart';
 import '../../../core/formatting/error_text.dart';
 import '../../../core/theme/app_colors.dart';
-import '../../../core/widgets/auth_gate.dart';
 import '../../../core/widgets/empty_state.dart';
 import '../../../l10n/app_localizations.dart';
 import 'comment_composer_sheet.dart';
@@ -29,7 +27,7 @@ const double _sheetRadius = 20;
 const double _headerHeight = 44;
 const double _composerTopGap = 8;
 
-/// 服务端评论底部弹窗：匿名列表、游标翻页、回复与登录发布。
+/// 服务端评论底部弹窗：匿名列表、游标翻页、回复与设备身份发布。
 class DramaCommentsSheet extends StatefulWidget {
   const DramaCommentsSheet({super.key, required this.drama, this.episodeId});
 
@@ -92,8 +90,7 @@ class _DramaCommentsSheetState extends State<DramaCommentsSheet> {
   }
 
   Future<void> _openComposer({DramaComment? replyTo}) async {
-    await ensureSignedIn(context);
-    if (!mounted || !context.read<AuthController>().isSignedIn) return;
+    if (!mounted) return;
     _removeComposerOverlay();
     final entry = OverlayEntry(
       builder: (_) => CommentComposerSheet(
@@ -222,7 +219,6 @@ class _DramaCommentsSheetState extends State<DramaCommentsSheet> {
   Widget _content(BuildContext context) {
     final l10n = AppLocalizations.of(context)!;
     final count = _serverCount ?? _controller.exactCount;
-    final signedIn = context.watch<AuthController>().isSignedIn;
     final composerReserve = _composerHeight + _composerTopGap;
     return Column(
       key: const Key('comment-sheet-content'),
@@ -269,7 +265,7 @@ class _DramaCommentsSheetState extends State<DramaCommentsSheet> {
         Padding(
           key: const Key('comment-composer-area'),
           padding: const EdgeInsets.only(top: _composerTopGap),
-          child: _fakeComposer(l10n, signedIn: signedIn),
+          child: _fakeComposer(l10n),
         ),
       ],
     );
@@ -352,7 +348,7 @@ class _DramaCommentsSheetState extends State<DramaCommentsSheet> {
     return const SizedBox(height: 8);
   }
 
-  Widget _fakeComposer(AppLocalizations l10n, {required bool signedIn}) {
+  Widget _fakeComposer(AppLocalizations l10n) {
     return GestureDetector(
       behavior: HitTestBehavior.opaque,
       onTap: _openComposer,
@@ -372,7 +368,7 @@ class _DramaCommentsSheetState extends State<DramaCommentsSheet> {
                 child: Padding(
                   padding: const EdgeInsets.only(left: 16),
                   child: Text(
-                    signedIn ? l10n.writeComment : l10n.commentLoginHint,
+                    l10n.writeComment,
                     key: const Key('comment-input-placeholder-label'),
                     maxLines: 1,
                     overflow: TextOverflow.ellipsis,

lib/pages/player/widgets/home_feed_overlay.dart

@@ -14,7 +14,7 @@ import '../../../core/theme/app_colors.dart';
 import '../../../l10n/app_localizations.dart';
 import 'home_feed_recommend_panel.dart';
 import 'loading_progress_track.dart';
-import 'player_double_tap_hearts.dart';
+import 'player_tap_gesture_region.dart';
 import 'seek_progress_bar.dart';
 import 'scrub_preview_card.dart';
 
@@ -69,6 +69,7 @@ class HomeFeedOverlay extends StatefulWidget {
     this.cancelScrubRequest = 0,
     this.thumbnailService,
     this.spriteAxisService,
+    this.suppressBufferLoading = false,
   });
 
   final AppLocalizations l10n;
@@ -104,25 +105,15 @@ class HomeFeedOverlay extends StatefulWidget {
   final int cancelScrubRequest;
   final PlaybackThumbnailService? thumbnailService;
   final SpriteThumbnailAxisService? spriteAxisService;
+  final bool suppressBufferLoading;
 
   @override
   State<HomeFeedOverlay> createState() => _HomeFeedOverlayState();
 }
 
 class _HomeFeedOverlayState extends State<HomeFeedOverlay> {
-  static const Duration _singleTapDelay = Duration(milliseconds: 400);
-
   bool _scrubbing = false;
   bool _wasVisibleBeforeScrub = true;
-  Timer? _singleTapTimer;
-  DateTime? _lastDownAt;
-  DateTime? _blockSingleTapUntil;
-  bool _doubleTapDown = false;
-  bool _likedThisPair = false;
-  int _downSerial = 0;
-  int _tapSeq = 0;
-  int _nextHeartBurstId = 0;
-  final List<({int id, Offset position})> _heartBursts = [];
 
   @override
   void didUpdateWidget(covariant HomeFeedOverlay oldWidget) {
@@ -132,35 +123,24 @@ class _HomeFeedOverlayState extends State<HomeFeedOverlay> {
     }
   }
 
-  @override
-  void dispose() {
-    _tapSeq++;
-    _singleTapTimer?.cancel();
-    super.dispose();
-  }
-
   @override
   Widget build(BuildContext context) {
     return SafeArea(
       bottom: false,
       child: Stack(
+        clipBehavior: Clip.none,
         children: [
           Positioned.fill(
-            child: LayoutBuilder(
-              builder: (context, constraints) => Listener(
-                onPointerUp: (_) => widget.onBoostEnd(),
-                onPointerCancel: (_) => widget.onBoostEnd(),
-                onPointerDown: _handlePointerDown,
-                child: GestureDetector(
-                  key: const Key('home-feed-gesture'),
-                  behavior: HitTestBehavior.opaque,
-                  onTapUp: _handleTapUp,
-                  onLongPressStart: (details) =>
-                      _handleLongPressStart(details, constraints.maxWidth),
-                  onLongPressEnd: (_) => widget.onBoostEnd(),
-                  onLongPressCancel: widget.onBoostEnd,
-                ),
-              ),
+            child: PlayerTapGestureRegion(
+              key: const ValueKey('home-feed-tap-gesture-region'),
+              gestureKey: const Key('home-feed-gesture'),
+              enabled: !_scrubbing,
+              doubleTapEnabled: !widget.locked,
+              now: widget.now,
+              onSingleTap: widget.onTogglePlay,
+              onDoubleTapLike: widget.onDoubleTapLike,
+              onLongPressStart: _handleLongPressStart,
+              onInteractionEnd: widget.onBoostEnd,
             ),
           ),
           Positioned(
@@ -217,31 +197,12 @@ class _HomeFeedOverlayState extends State<HomeFeedOverlay> {
               spriteAxisService: widget.spriteAxisService,
               thumbnailsUrl: widget.episode.thumbnailsUrl,
               episodeId: widget.episode.id,
-              posterUrl: widget.drama.posterUrl,
+              suppressBufferLoading: widget.suppressBufferLoading,
               onScrubStart: _startScrub,
               onScrubEnd: _endScrub,
               onSeek: widget.onSeek,
             ),
           ),
-          if (_heartBursts.isNotEmpty)
-            Positioned.fill(
-              child: IgnorePointer(
-                child: Stack(
-                  clipBehavior: Clip.none,
-                  children: [
-                    for (final burst in _heartBursts)
-                      Positioned(
-                        left: burst.position.dx,
-                        top: burst.position.dy - 10,
-                        child: PlayerDoubleTapHeartBurst(
-                          key: ValueKey(burst.id),
-                          onCompleted: () => _removeHeartBurst(burst.id),
-                        ),
-                      ),
-                  ],
-                ),
-              ),
-            ),
         ],
       ),
     );
@@ -263,83 +224,8 @@ class _HomeFeedOverlayState extends State<HomeFeedOverlay> {
     widget.onScrubEnd?.call(wasVisible);
   }
 
-  DateTime _now() => widget.now?.call() ?? DateTime.now();
-
-  void _handlePointerDown(PointerDownEvent event) {
-    final now = _now();
-    final previous = _lastDownAt;
-    _downSerial++;
-    _lastDownAt = now;
-    final repeated =
-        previous != null && now.difference(previous) <= _singleTapDelay;
-    if (!repeated) {
-      if (_singleTapBlocked(now)) return;
-      _doubleTapDown = false;
-      _likedThisPair = false;
-      return;
-    }
-    _doubleTapDown = true;
-    _blockSingleTapUntil = now.add(_singleTapDelay);
-    _cancelPendingSingleTap();
-  }
-
-  bool _singleTapBlocked(DateTime now) {
-    final blockedUntil = _blockSingleTapUntil;
-    return blockedUntil != null && now.isBefore(blockedUntil);
-  }
-
-  void _cancelPendingSingleTap() {
-    _tapSeq++;
-    _singleTapTimer?.cancel();
-    _singleTapTimer = null;
-  }
-
-  void _handleTapUp(TapUpDetails details) {
-    final now = _now();
-    if (_doubleTapDown || _singleTapBlocked(now)) {
-      _showDoubleTapLike(details.localPosition);
-      return;
-    }
-    final serial = _downSerial;
-    final tapSeq = ++_tapSeq;
-    _singleTapTimer?.cancel();
-    late final Timer pending;
-    pending = Timer(_singleTapDelay, () {
-      if (!identical(_singleTapTimer, pending)) return;
-      _singleTapTimer = null;
-      if (!mounted || tapSeq != _tapSeq || serial != _downSerial) return;
-      if (_doubleTapDown || _singleTapBlocked(_now())) return;
-      _lastDownAt = null;
-      widget.onTogglePlay();
-    });
-    _singleTapTimer = pending;
-  }
-
-  void _showDoubleTapLike(Offset position) {
-    if (_likedThisPair) return;
-    _likedThisPair = true;
-    _blockSingleTapUntil = _now().add(_singleTapDelay);
-    _cancelPendingSingleTap();
-    _showHearts(position);
-  }
-
-  void _showHearts(Offset position) {
-    final id = _nextHeartBurstId++;
-    setState(() => _heartBursts.add((id: id, position: position)));
-    widget.onDoubleTapLike?.call(position);
-  }
-
-  void _removeHeartBurst(int id) {
-    if (!mounted) return;
-    setState(() => _heartBursts.removeWhere((burst) => burst.id == id));
-  }
-
   void _handleLongPressStart(LongPressStartDetails details, double width) {
     final third = width / 3;
-    _tapSeq++;
-    _cancelPendingSingleTap();
-    _doubleTapDown = false;
-    _lastDownAt = null;
     final dx = details.localPosition.dx;
     if (dx < third || dx > width - third) {
       widget.onBoostStart();
@@ -383,8 +269,10 @@ class _HomeFeedOverlayState extends State<HomeFeedOverlay> {
       liked: widget.liked,
       favoriteCount: widget.favoriteCount,
       likeCount: widget.likeCount,
+      commentCount: widget.commentCount,
       onSave: widget.onSave,
       onLike: widget.onLike,
+      onComments: widget.onComments,
       onEpisodes: widget.onEpisodes ?? widget.onOpenFullPlayer,
     );
   }

lib/pages/player/widgets/home_feed_overlay_parts.dart

@@ -23,7 +23,7 @@ class _FeedProgressBar extends StatefulWidget {
     this.spriteAxisService,
     this.thumbnailsUrl,
     this.episodeId,
-    this.posterUrl = '',
+    this.suppressBufferLoading = false,
     this.onScrubStart,
     this.onScrubEnd,
     this.onSeek,
@@ -38,7 +38,7 @@ class _FeedProgressBar extends StatefulWidget {
   final SpriteThumbnailAxisSource? spriteAxisService;
   final String? thumbnailsUrl;
   final String? episodeId;
-  final String posterUrl;
+  final bool suppressBufferLoading;
   final VoidCallback? onScrubStart;
   final VoidCallback? onScrubEnd;
   final ValueChanged<Duration>? onSeek;
@@ -54,6 +54,7 @@ class _FeedProgressBarState extends State<_FeedProgressBar> {
   Timer? _bufferTimer;
   bool _buffering = false;
   bool _dragging = false;
+  Duration? _lastPosition;
 
   @override
   void initState() {
@@ -69,6 +70,7 @@ class _FeedProgressBarState extends State<_FeedProgressBar> {
       _bufferTimer?.cancel();
       _bufferTimer = null;
       _buffering = false;
+      _lastPosition = null;
       _attachSource();
     }
     if (oldWidget.cancelScrubRequest != widget.cancelScrubRequest) {
@@ -79,6 +81,7 @@ class _FeedProgressBarState extends State<_FeedProgressBar> {
       _bufferTimer?.cancel();
       _bufferTimer = null;
       _buffering = false;
+      _lastPosition = null;
       if (widget.locked) {
         _dragging = false;
         _preview = null;
@@ -86,6 +89,13 @@ class _FeedProgressBarState extends State<_FeedProgressBar> {
         _syncBufferState(notify: false);
       }
     }
+    if (oldWidget.suppressBufferLoading != widget.suppressBufferLoading) {
+      _bufferTimer?.cancel();
+      _bufferTimer = null;
+      _buffering = false;
+      _lastPosition = null;
+      _syncBufferState(notify: false);
+    }
   }
 
   @override
@@ -102,7 +112,11 @@ class _FeedProgressBarState extends State<_FeedProgressBar> {
         final width = constraints.maxWidth;
         final source = widget.controller;
         final scrubbing = _dragging;
-        final loading = !widget.locked && !scrubbing && _buffering;
+        final loading =
+            !widget.locked &&
+            !widget.suppressBufferLoading &&
+            !scrubbing &&
+            _buffering;
         final track = widget.locked
             ? _inactiveTrack()
             : source == null
@@ -166,7 +180,6 @@ class _FeedProgressBarState extends State<_FeedProgressBar> {
                       spriteAxisService: widget.spriteAxisService,
                       thumbnailsUrl: widget.thumbnailsUrl,
                       episodeId: widget.episodeId!,
-                      posterUrl: widget.posterUrl,
                       position: previewPosition,
                       duration: video!.duration,
                     ),
@@ -202,14 +215,24 @@ class _FeedProgressBarState extends State<_FeedProgressBar> {
 
   void _syncBufferState({bool notify = true}) {
     final source = widget.controller;
-    if (widget.locked || source == null) {
+    if (widget.locked || widget.suppressBufferLoading || source == null) {
       _bufferTimer?.cancel();
       _bufferTimer = null;
+      _lastPosition = null;
       _setBuffering(false, notify: notify);
       return;
     }
     final value = source.value;
     if (!value.isInitialized) {
+      _bufferTimer?.cancel();
+      _bufferTimer = null;
+      _lastPosition = null;
+      _setBuffering(false, notify: notify);
+      return;
+    }
+    final previousPosition = _lastPosition;
+    _lastPosition = value.position;
+    if (previousPosition != null && value.position > previousPosition) {
       _bufferTimer?.cancel();
       _bufferTimer = null;
       _setBuffering(false, notify: notify);
@@ -221,14 +244,22 @@ class _FeedProgressBarState extends State<_FeedProgressBar> {
       _setBuffering(false, notify: notify);
       return;
     }
+    if (previousPosition == null &&
+        value.isPlaying &&
+        value.position > Duration.zero) {
+      _setBuffering(false, notify: notify);
+      return;
+    }
     if (_buffering || _bufferTimer != null) return;
+    final bufferingPosition = value.position;
     _bufferTimer = Timer(_bufferDebounce, () {
       _bufferTimer = null;
       final current = widget.controller;
       if (!mounted ||
           current != source ||
           !current!.value.isInitialized ||
-          !current.value.isBuffering) {
+          !current.value.isBuffering ||
+          current.value.position != bufferingPosition) {
         return;
       }
       _setBuffering(true);

lib/pages/player/widgets/home_feed_recommend_panel.dart

@@ -5,19 +5,16 @@ import 'dart:math' as math;
 import 'package:flutter/material.dart';
 
 import '../../../core/data/models/drama.dart';
-import '../../../core/formatting/count_format.dart';
 import '../../../core/formatting/localized_content.dart';
 import '../../../core/theme/app_colors.dart';
 import '../../../l10n/app_localizations.dart';
 import '../../home/widgets/home_drama_classification.dart';
+import 'interaction_rail.dart';
 
 const double _seriesFont = 19;
 const double _tagFont = 13;
 const double _synopsisFont = 13;
 const double _watchAllHeight = 44;
-const double _actionGap = 28;
-const double _actionIcon = 32;
-const double _actionWidth = 64;
 const List<Shadow> _textShadows = [
   Shadow(color: AppColors.shadow, blurRadius: 6, offset: Offset(0, 1)),
 ];
@@ -307,112 +304,64 @@ class HomeFeedActionRail extends StatelessWidget {
     required this.liked,
     required this.onSave,
     required this.onLike,
+    required this.onComments,
     required this.onEpisodes,
     this.favoriteCount,
     this.likeCount,
+    this.commentCount,
   });
 
   final bool saved;
   final bool liked;
   final int? favoriteCount;
   final int? likeCount;
+  final int? commentCount;
   final VoidCallback onSave;
   final VoidCallback onLike;
+  final VoidCallback onComments;
   final VoidCallback onEpisodes;
 
   @override
   Widget build(BuildContext context) {
     final l10n = AppLocalizations.of(context)!;
-    return SizedBox(
-      width: _actionWidth,
-      child: Column(
-        mainAxisSize: MainAxisSize.min,
-        children: [
-          _action(
-            key: const Key('rail-save'),
-            icon: saved
-                ? Icons.bookmark_rounded
-                : Icons.bookmark_border_rounded,
-            label: favoriteCount == null
-                ? l10n.favorite
-                : formatInteractionCount(favoriteCount!),
-            labelKey: const Key('rail-save-count'),
-            onTap: onSave,
-          ),
-          const SizedBox(height: _actionGap),
-          _action(
-            key: const Key('rail-like'),
-            icon: liked
-                ? Icons.favorite_rounded
-                : Icons.favorite_border_rounded,
-            iconColor: liked
-                ? AppColors.doubleTapHeartRed
-                : AppColors.textPrimary,
-            label: likeCount == null
-                ? l10n.like
-                : formatInteractionCount(likeCount!),
-            labelKey: const Key('rail-like-count'),
-            onTap: onLike,
-          ),
-          const SizedBox(height: _actionGap),
-          _action(
-            key: const Key('rail-episodes'),
-            icon: Icons.layers_rounded,
-            label: l10n.episodes,
-            labelKey: const Key('rail-episodes-label'),
-            labelFontSize: 11,
-            onTap: onEpisodes,
-          ),
-        ],
-      ),
-    );
-  }
-
-  Widget _action({
-    required Key key,
-    required IconData icon,
-    required String label,
-    required Key labelKey,
-    required VoidCallback onTap,
-    Color iconColor = AppColors.textPrimary,
-    double labelFontSize = 12,
-  }) {
-    return GestureDetector(
-      key: key,
-      behavior: HitTestBehavior.opaque,
-      onTap: onTap,
-      child: Column(
-        mainAxisSize: MainAxisSize.min,
-        children: [
-          Icon(
-            icon,
-            size: _actionIcon,
-            color: iconColor,
-            shadows: const [
-              Shadow(
-                color: AppColors.shadowSoft,
-                blurRadius: 4,
-                offset: Offset(0, 1),
-              ),
-            ],
-          ),
-          const SizedBox(height: 2),
-          Text(
-            label,
-            key: labelKey,
-            maxLines: 1,
-            overflow: TextOverflow.ellipsis,
-            textAlign: TextAlign.center,
-            style: TextStyle(
-              color: AppColors.textPrimary,
-              fontSize: labelFontSize,
-              fontWeight: FontWeight.w500,
-              height: 1,
-              shadows: _textShadows,
-            ),
-          ),
-        ],
-      ),
+    return InteractionRail(
+      itemGap: 14,
+      items: [
+        InteractionRailItem(
+          key: const Key('rail-save'),
+          asset: 'assets/icon/rail/rail_save.png',
+          label: l10n.favorite,
+          count: favoriteCount,
+          countKey: const Key('rail-save-count'),
+          selected: saved,
+          onTap: onSave,
+        ),
+        InteractionRailItem(
+          key: const Key('rail-like'),
+          asset: 'assets/icon/rail/rail_like.png',
+          label: l10n.like,
+          count: likeCount,
+          countKey: const Key('rail-like-count'),
+          selected: liked,
+          selectedColor: AppColors.doubleTapHeartRed,
+          onTap: onLike,
+        ),
+        InteractionRailItem(
+          key: const Key('rail-comments'),
+          asset: 'assets/icon/rail/rail_comment.png',
+          label: l10n.comments,
+          count: commentCount,
+          countKey: const Key('rail-comments-count'),
+          onTap: onComments,
+        ),
+        InteractionRailItem(
+          key: const Key('rail-episodes'),
+          icon: Icons.layers_rounded,
+          label: l10n.episodes,
+          countKey: const Key('rail-episodes-label'),
+          onTap: onEpisodes,
+        ),
+      ],
     );
   }
 }

lib/pages/player/widgets/interaction_rail.dart

@@ -7,23 +7,25 @@ import '../../../core/theme/app_colors.dart';
 
 const double _buttonSize = 44;
 const double _iconSize = 32;
-const double _itemGap = 24;
+const double _defaultItemGap = 24;
 
 /// 互动栏单项：图标、计数与点击。
 class InteractionRailItem {
   const InteractionRailItem({
     required this.key,
-    required this.asset,
     required this.label,
     required this.onTap,
+    this.asset,
+    this.icon,
     this.count,
     this.countKey,
     this.selected = false,
     this.selectedColor = AppColors.blue,
-  });
+  }) : assert((asset == null) != (icon == null));
 
   final Key key;
-  final String asset;
+  final String? asset;
+  final IconData? icon;
   final String label;
   final VoidCallback onTap;
   final int? count;
@@ -34,9 +36,14 @@ class InteractionRailItem {
 
 /// 播放页与首页 feed 共用的右侧互动栏：收藏/评论/喜欢/分享。
 class InteractionRail extends StatelessWidget {
-  const InteractionRail({super.key, required this.items});
+  const InteractionRail({
+    super.key,
+    required this.items,
+    this.itemGap = _defaultItemGap,
+  });
 
   final List<InteractionRailItem> items;
+  final double itemGap;
 
   @override
   Widget build(BuildContext context) {
@@ -44,7 +51,7 @@ class InteractionRail extends StatelessWidget {
       mainAxisSize: MainAxisSize.min,
       children: [
         for (var index = 0; index < items.length; index++) ...[
-          if (index > 0) const SizedBox(height: _itemGap),
+          if (index > 0) SizedBox(height: itemGap),
           _RailButton(item: items[index]),
         ],
       ],
@@ -68,14 +75,24 @@ class _RailButton extends StatelessWidget {
           child: IconButton(
             onPressed: item.onTap,
             padding: EdgeInsets.zero,
-            icon: Image.asset(
-              item.asset,
-              width: _iconSize,
-              height: _iconSize,
-              fit: BoxFit.contain,
-              color: item.selected ? item.selectedColor : AppColors.onPrimary,
-              colorBlendMode: BlendMode.srcIn,
-            ),
+            icon: item.asset != null
+                ? Image.asset(
+                    item.asset!,
+                    width: _iconSize,
+                    height: _iconSize,
+                    fit: BoxFit.contain,
+                    color: item.selected
+                        ? item.selectedColor
+                        : AppColors.onPrimary,
+                    colorBlendMode: BlendMode.srcIn,
+                  )
+                : Icon(
+                    item.icon,
+                    size: _iconSize,
+                    color: item.selected
+                        ? item.selectedColor
+                        : AppColors.onPrimary,
+                  ),
           ),
         ),
         const SizedBox(height: 2),

lib/pages/player/widgets/player_double_tap_hearts.dart

@@ -1,13 +1,16 @@
 // Author: fruit.com.cn
 
+import 'dart:async';
+
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 
 import '../../../core/theme/app_colors.dart';
 
-const int _heartDurationMs = 680;
+const int _heartDurationMs = 1500;
 const double _heartPopPortion = 0.18;
 const double _heartStartScale = 0.7;
-const double _heartHoldPortion = 0.45;
+const double _heartHoldPortion = 0.55;
 
 const List<_HeartParticle> _hearts = [
   _HeartParticle(
@@ -35,75 +38,136 @@ const List<_HeartParticle> _hearts = [
 
 /// 双击点赞时，在点击位置飘出一小簇心。
 class PlayerDoubleTapHeartBurst extends StatefulWidget {
-  const PlayerDoubleTapHeartBurst({super.key, required this.onCompleted});
+  const PlayerDoubleTapHeartBurst({
+    super.key,
+    required this.burstId,
+    required this.onCompleted,
+    this.origin = Offset.zero,
+    this.now,
+  });
 
+  final int burstId;
   final VoidCallback onCompleted;
+  final Offset origin;
+  final DateTime Function()? now;
 
   @override
   State<PlayerDoubleTapHeartBurst> createState() =>
       _PlayerDoubleTapHeartBurstState();
 }
 
-class _PlayerDoubleTapHeartBurstState extends State<PlayerDoubleTapHeartBurst>
-    with SingleTickerProviderStateMixin {
-  late final AnimationController _controller;
+class _PlayerDoubleTapHeartBurstState extends State<PlayerDoubleTapHeartBurst> {
+  Timer? _timer;
+  late final DateTime _startAt;
+  late final int _totalMs;
+  final Stopwatch _lifetime = Stopwatch();
+  int _elapsedMs = 0;
+  int _tickCount = 0;
   bool _completed = false;
 
   @override
   void initState() {
     super.initState();
-    final total = _hearts
+    _lifetime.start();
+    _startAt = _now();
+    _totalMs = _hearts
         .map((heart) => heart.delay + _heartDurationMs)
         .reduce((left, right) => left > right ? left : right);
-    _controller = AnimationController(
-      vsync: this,
-      duration: Duration(milliseconds: total),
-    )..addStatusListener(_onStatus);
-    _controller.forward();
+    if (kDebugMode) {
+      debugPrint(
+        '[player] phase=heart-burst-start '
+        'id=${widget.burstId} count=${_hearts.length} '
+        'configuredMs=$_totalMs at=${widget.origin.dx.toStringAsFixed(1)},'
+        '${widget.origin.dy.toStringAsFixed(1)}',
+      );
+    }
+    _timer = Timer.periodic(
+      const Duration(milliseconds: 16),
+      (_) => _handleTick(),
+    );
   }
 
-  void _onStatus(AnimationStatus status) {
-    if (status != AnimationStatus.completed || _completed) return;
+  DateTime _now() => widget.now?.call() ?? DateTime.now();
+
+  void _handleTick() {
+    if (!mounted || _completed) return;
+    final rawElapsedMs = _now().difference(_startAt).inMilliseconds;
+    final elapsedMs = rawElapsedMs < 0
+        ? 0
+        : rawElapsedMs > _totalMs
+        ? _totalMs
+        : rawElapsedMs;
+    _elapsedMs = elapsedMs;
+    _tickCount++;
+    if (kDebugMode && _tickCount % 10 == 0) {
+      debugPrint(
+        '[player] phase=heart-tick id=${widget.burstId} '
+        'elapsedMs=$_elapsedMs',
+      );
+    }
+    if (_elapsedMs >= _totalMs) {
+      _complete();
+      return;
+    }
+    setState(() {});
+  }
+
+  void _complete() {
+    if (_completed) return;
     _completed = true;
+    _timer?.cancel();
+    if (kDebugMode) {
+      debugPrint(
+        '[player] phase=heart-burst-complete '
+        'id=${widget.burstId} '
+        'configuredMs=$_totalMs',
+      );
+    }
     widget.onCompleted();
   }
 
   @override
   void dispose() {
-    _controller
-      ..removeStatusListener(_onStatus)
-      ..dispose();
+    if (kDebugMode) {
+      final elapsedMs = _completed ? _totalMs : _elapsedMs;
+      debugPrint(
+        '[player] phase=heart-burst-dispose '
+        'id=${widget.burstId} elapsedMs=$elapsedMs '
+        'completed=${_completed ? 1 : 0}',
+      );
+      if (!_completed) {
+        debugPrintStack(
+          maxFrames: 30,
+          label:
+              '[player] heart-burst-premature-dispose '
+              'id=${widget.burstId} mount=root-overlay',
+        );
+      }
+    }
+    _lifetime.stop();
+    _timer?.cancel();
+    _timer = null;
     super.dispose();
   }
 
   @override
   Widget build(BuildContext context) {
     return IgnorePointer(
-      child: SizedBox.shrink(
-        child: AnimatedBuilder(
-          animation: _controller,
-          builder: (context, _) {
-            final elapsed =
-                _controller.value * _controller.duration!.inMilliseconds;
-            return Stack(
-              clipBehavior: Clip.none,
-              children: [
-                for (var index = 0; index < _hearts.length; index++)
-                  _heart(_hearts[index], elapsed, index),
-              ],
-            );
-          },
-        ),
+      child: Stack(
+        fit: StackFit.expand,
+        clipBehavior: Clip.none,
+        children: [
+          for (var index = 0; index < _hearts.length; index++)
+            _heart(_hearts[index], _elapsedMs.toDouble(), index),
+        ],
       ),
     );
   }
 
   Widget _heart(_HeartParticle heart, double elapsed, int index) {
-    final progress = ((elapsed - heart.delay) / _heartDurationMs).clamp(
-      0.0,
-      1.0,
-    );
-    if (progress <= 0) return const SizedBox.shrink();
+    final rawProgress = (elapsed - heart.delay) / _heartDurationMs;
+    if (rawProgress < 0) return const SizedBox.shrink();
+    final progress = rawProgress.clamp(0.0, 1.0);
     final move = Curves.easeOutCubic.transform(progress);
     final scale = progress < _heartPopPortion
         ? _heartStartScale +
@@ -113,8 +177,8 @@ class _PlayerDoubleTapHeartBurstState extends State<PlayerDoubleTapHeartBurst>
         ? 1.0
         : 1 - ((progress - _heartHoldPortion) / (1 - _heartHoldPortion));
     return Positioned(
-      left: heart.drift * move - heart.size / 2,
-      top: -heart.size / 2 - heart.travel * move,
+      left: widget.origin.dx + heart.drift * move - heart.size / 2,
+      top: widget.origin.dy - heart.size / 2 - heart.travel * move,
       child: Opacity(
         opacity: opacity.clamp(0.0, 1.0),
         child: Transform.scale(

lib/pages/player/widgets/player_heart_overlay_scope.dart

@@ -0,0 +1,52 @@
+// Author: fruit.com.cn
+
+import 'package:flutter/foundation.dart';
+import 'package:flutter/widgets.dart';
+
+/// Tracks heart overlays for the lifetime of one player page.
+class PlayerHeartOverlayController {
+  final Map<int, OverlayEntry> _entries = {};
+
+  void track(int id, OverlayEntry entry) {
+    _entries[id] = entry;
+  }
+
+  void untrack(int id) {
+    _entries.remove(id);
+  }
+
+  void dispose() {
+    for (final entry in _entries.entries.toList()) {
+      if (entry.value.mounted) entry.value.remove();
+      entry.value.dispose();
+      if (kDebugMode) {
+        debugPrint(
+          '[player] phase=heart-burst-entry-removed '
+          'id=${entry.key} reason=page-dispose',
+        );
+      }
+    }
+    _entries.clear();
+  }
+}
+
+class PlayerHeartOverlayScope extends InheritedWidget {
+  const PlayerHeartOverlayScope({
+    super.key,
+    required this.controller,
+    required super.child,
+  });
+
+  final PlayerHeartOverlayController controller;
+
+  static PlayerHeartOverlayController? maybeOf(BuildContext context) {
+    return context
+        .dependOnInheritedWidgetOfExactType<PlayerHeartOverlayScope>()
+        ?.controller;
+  }
+
+  @override
+  bool updateShouldNotify(PlayerHeartOverlayScope oldWidget) {
+    return controller != oldWidget.controller;
+  }
+}

lib/pages/player/widgets/player_loading_overlay.dart

@@ -0,0 +1,45 @@
+// Author: fruit.com.cn
+
+import 'package:flutter/material.dart';
+
+import '../../../core/theme/app_colors.dart';
+import '../../../core/theme/app_dimens.dart';
+
+class PlayerLoadingOverlay extends StatelessWidget {
+  const PlayerLoadingOverlay({
+    super.key,
+    required this.opacity,
+    required this.onFadeEnd,
+  });
+
+  final double opacity;
+  final VoidCallback onFadeEnd;
+
+  @override
+  Widget build(BuildContext context) {
+    return AnimatedOpacity(
+      opacity: opacity,
+      duration: const Duration(milliseconds: 140),
+      curve: Curves.easeOut,
+      onEnd: onFadeEnd,
+      child: Container(
+        key: const Key('player-loading-surface'),
+        width: AppDimens.refreshIndicatorSize,
+        height: AppDimens.refreshIndicatorSize,
+        decoration: BoxDecoration(
+          color: AppColors.refreshIndicatorSurface,
+          borderRadius: BorderRadius.circular(AppDimens.refreshIndicatorRadius),
+        ),
+        alignment: Alignment.center,
+        child: const SizedBox.square(
+          dimension: AppDimens.refreshSpinnerSize,
+          child: CircularProgressIndicator(
+            key: Key('player-entry-loading'),
+            color: Colors.white,
+            strokeWidth: AppDimens.refreshSpinnerStroke,
+          ),
+        ),
+      ),
+    );
+  }
+}

lib/pages/player/widgets/player_opening_frame.dart

@@ -1,167 +1,177 @@
 // Author: fruit.com.cn
 
 import 'dart:async';
-import 'dart:ui' as ui;
 
 import 'package:flutter/material.dart';
 
 import '../../../core/config/app_config.dart';
-import '../../../core/data/services/sprite_thumbnail_asset_loader.dart';
 import '../../../core/data/services/sprite_thumbnail_axis.dart';
+import '../../../core/theme/app_colors.dart';
+import '../../../core/widgets/remote_image.dart';
 import 'scrub_preview_card.dart';
 
-/// 无雪碧图地址时不垫帧，交还给纯黑底。
-Widget? playerOpeningFrame(String? thumbnailsUrl) {
-  final url = thumbnailsUrl?.trim() ?? '';
-  if (url.isEmpty) return null;
-  return PlayerOpeningFrame(thumbnailsUrl: url);
+enum PlayerOpeningFallback { handoff, poster, thumbnails, black }
+
+PlayerOpeningFallback playerOpeningFallback({
+  String? posterUrl,
+  String? thumbnailsUrl,
+}) {
+  if (posterUrl?.trim().isNotEmpty ?? false) {
+    return PlayerOpeningFallback.poster;
+  }
+  if (thumbnailsUrl?.trim().isNotEmpty ?? false) {
+    return PlayerOpeningFallback.thumbnails;
+  }
+  return PlayerOpeningFallback.black;
 }
 
-/// 解码出视频画面前，用本集雪碧图第一帧垫底。
+/// 当前集首帧在视频纹理未就绪时占位；空地址交还纯黑底。
+Widget? playerOpeningFrame(
+  String? thumbnailsUrl, {
+  String? posterUrl,
+  required SpriteThumbnailAxisSource spriteSource,
+  BoxFit fit = BoxFit.cover,
+}) {
+  final thumbnails = thumbnailsUrl?.trim() ?? '';
+  final poster = posterUrl?.trim() ?? '';
+  if (playerOpeningFallback(posterUrl: poster, thumbnailsUrl: thumbnails) ==
+      PlayerOpeningFallback.black) {
+    return null;
+  }
+  return PlayerOpeningFrame(
+    thumbnailsUrl: thumbnails,
+    posterUrl: poster,
+    spriteSource: spriteSource,
+    fit: fit,
+  );
+}
+
+/// 与视频共用全屏父约束和 BoxFit，切换时保持相同可见区域。
 class PlayerOpeningFrame extends StatefulWidget {
   const PlayerOpeningFrame({
     super.key,
     required this.thumbnailsUrl,
-    this.loader,
-    this.cache,
+    required this.spriteSource,
+    this.posterUrl,
+    this.fit = BoxFit.cover,
   });
 
+  /// 当前视频原始分辨率首帧地址，优先于雪碧图。
+  final String? posterUrl;
+
+  /// 当前视频雪碧图 WebVTT 地址。
   final String thumbnailsUrl;
-  final SpriteThumbnailAssetLoader? loader;
-  final OpeningFrameCache? cache;
+
+  /// 进度条拖动预览共用的雪碧图时间轴与解码缓存。
+  final SpriteThumbnailAxisSource spriteSource;
+
+  /// 必须与同页视频层使用相同适配规则。
+  final BoxFit fit;
 
   @override
   State<PlayerOpeningFrame> createState() => _PlayerOpeningFrameState();
 }
 
 class _PlayerOpeningFrameState extends State<PlayerOpeningFrame> {
-  SpriteThumbnailFrame? _frame;
-  int _serial = 0;
+  bool _posterFailed = false;
 
   @override
   void initState() {
     super.initState();
-    unawaited(_load());
+    widget.spriteSource.addListener(_handleSpriteChanged);
+    _prepareSpriteIfNeeded();
   }
 
   @override
   void didUpdateWidget(covariant PlayerOpeningFrame oldWidget) {
     super.didUpdateWidget(oldWidget);
-    if (oldWidget.thumbnailsUrl != widget.thumbnailsUrl) {
-      _frame = null;
-      unawaited(_load());
+    if (oldWidget.posterUrl != widget.posterUrl) {
+      _posterFailed = false;
+    }
+    if (oldWidget.spriteSource != widget.spriteSource) {
+      oldWidget.spriteSource.removeListener(_handleSpriteChanged);
+      widget.spriteSource.addListener(_handleSpriteChanged);
+      _prepareSpriteIfNeeded();
+    }
+    if (oldWidget.posterUrl != widget.posterUrl ||
+        oldWidget.thumbnailsUrl != widget.thumbnailsUrl) {
+      _prepareSpriteIfNeeded();
     }
   }
 
-  Future<void> _load() async {
-    final serial = ++_serial;
-    final frame = await (widget.cache ?? OpeningFrameCache.shared).load(
-      widget.thumbnailsUrl,
-      loader: widget.loader,
-    );
-    if (!mounted || serial != _serial) return;
-    setState(() => _frame = frame);
+  @override
+  void dispose() {
+    widget.spriteSource.removeListener(_handleSpriteChanged);
+    super.dispose();
   }
 
-  @override
-  Widget build(BuildContext context) {
-    final frame = _frame;
+  void _handleSpriteChanged() {
+    if (mounted) setState(() {});
+  }
+
+  bool get _hasPoster =>
+      !_posterFailed && (widget.posterUrl?.trim().isNotEmpty ?? false);
+
+  void _prepareSpriteIfNeeded() {
+    if (_hasPoster || widget.thumbnailsUrl.trim().isEmpty) return;
+    unawaited(
+      widget.spriteSource.prepareAt(widget.thumbnailsUrl, Duration.zero),
+    );
+  }
+
+  Widget _handlePosterError() {
+    if (!_posterFailed) {
+      WidgetsBinding.instance.addPostFrameCallback((_) {
+        if (!mounted || _posterFailed) return;
+        setState(() => _posterFailed = true);
+        _prepareSpriteIfNeeded();
+      });
+    }
+    return _spriteOrBlack();
+  }
+
+  Widget _spriteOrBlack() {
+    final frame = widget.spriteSource.cachedFrameAt(
+      widget.thumbnailsUrl,
+      Duration.zero,
+    );
     if (frame == null) return const SizedBox.expand();
     return SpriteCropPreview(
       key: const Key('player-opening-sprite'),
       image: frame.image,
       sourceRect: frame.sourceRect,
-    );
-  }
-}
-
-/// 相邻页共用的雪碧图首帧缓存，避免每页重复拉 VTT。
-class OpeningFrameCache {
-  OpeningFrameCache({this.capacity = 6});
-
-  static final OpeningFrameCache shared = OpeningFrameCache();
-
-  final int capacity;
-  final Map<String, SpriteThumbnailFrame> _frames = {};
-  final Map<String, Future<SpriteThumbnailFrame?>> _loads = {};
-
-  /// 取 [thumbnailsUrl] 对应的第一帧；失败返回 null。
-  Future<SpriteThumbnailFrame?> load(
-    String? thumbnailsUrl, {
-    SpriteThumbnailAssetLoader? loader,
-  }) {
-    final url = _normalize(thumbnailsUrl);
-    if (url == null) return Future<SpriteThumbnailFrame?>.value();
-    final cached = _frames[url];
-    if (cached != null) return Future.value(cached);
-    return _loads.putIfAbsent(url, () => _fetch(url, loader));
-  }
-
-  Future<SpriteThumbnailFrame?> _fetch(
-    String url,
-    SpriteThumbnailAssetLoader? loader,
-  ) async {
-    try {
-      final asset = loader ?? DioSpriteThumbnailAssetLoader();
-      final text = await asset.loadVtt(Uri.parse(url));
-      if (text == null || text.isEmpty) return null;
-      final axis = parseSpriteThumbnailVtt(text, vttUrl: url);
-      final cue = axis.cues.isEmpty ? null : axis.cues.first;
-      if (cue == null) return null;
-      final decoded = await asset.loadSprite(
-        axis.resolveSpriteUri(cue.spriteFile),
-      );
-      if (decoded == null) return null;
-      final frame = SpriteThumbnailFrame(
-        image: decoded.image,
-        sourceRect: _scaledRect(decoded, cue.sourceRect),
-        spriteUrl: axis.resolveSpriteUri(cue.spriteFile).toString(),
-        cue: cue,
-      );
-      _store(url, frame);
-      return frame;
-    } catch (_) {
-      return null;
-    } finally {
-      _loads.remove(url);
-    }
-  }
-
-  void _store(String url, SpriteThumbnailFrame frame) {
-    _frames.remove(url);
-    _frames[url] = frame;
-    while (_frames.length > capacity) {
-      final oldest = _frames.keys.first;
-      _frames.remove(oldest)?.image.dispose();
-    }
-  }
-
-  ui.Rect _scaledRect(SpriteThumbnailDecodedImage decoded, ui.Rect source) {
-    if (decoded.originalWidth <= 0 || decoded.originalHeight <= 0) {
-      return source;
-    }
-    final scaleX = decoded.image.width / decoded.originalWidth;
-    final scaleY = decoded.image.height / decoded.originalHeight;
-    return ui.Rect.fromLTWH(
-      source.left * scaleX,
-      source.top * scaleY,
-      source.width * scaleX,
-      source.height * scaleY,
+      fit: widget.fit,
     );
   }
 
-  String? _normalize(String? raw) {
-    final value = AppConfig.mediaUrl(raw?.trim() ?? '');
-    if (value.isEmpty) return null;
-    return value;
-  }
-
-  /// 测试收尾时清空缓存。
-  void clear() {
-    for (final frame in _frames.values) {
-      frame.image.dispose();
-    }
-    _frames.clear();
-    _loads.clear();
-  }
+  @override
+  Widget build(BuildContext context) => Stack(
+    fit: StackFit.expand,
+    children: [
+      const ColoredBox(color: AppColors.mediaBlack),
+      if (_hasPoster)
+        LayoutBuilder(
+          builder: (context, constraints) {
+            final pixelRatio = MediaQuery.devicePixelRatioOf(context);
+            return Image.network(
+              AppConfig.mediaUrl(widget.posterUrl!.trim()),
+              key: const Key('player-opening-poster'),
+              fit: widget.fit,
+              cacheWidth: resolveImageDecodePixels(
+                constraints.maxWidth,
+                pixelRatio,
+              ),
+              cacheHeight: resolveImageDecodePixels(
+                constraints.maxHeight,
+                pixelRatio,
+              ),
+              gaplessPlayback: true,
+              errorBuilder: (_, _, _) => _handlePosterError(),
+            );
+          },
+        )
+      else
+        _spriteOrBlack(),
+    ],
+  );
 }

lib/pages/player/widgets/player_overlay.dart

@@ -14,6 +14,7 @@ import '../../../l10n/app_localizations.dart';
 import 'player_center_toggle.dart';
 import 'interaction_rail.dart';
 import 'player_overlay_models.dart';
+import 'player_tap_gesture_region.dart';
 import 'seek_progress_bar.dart';
 
 part 'player_overlay_parts.dart';
@@ -36,6 +37,7 @@ class PlayerPlaybackOverlay extends StatelessWidget {
     required this.actions,
     required this.controlsVisible,
     required this.scrubbing,
+    this.suppressProgressLoading = false,
   });
 
   /// 展示数据。
@@ -49,23 +51,24 @@ class PlayerPlaybackOverlay extends StatelessWidget {
 
   /// 正在拖动进度条。拖动期间清屏，只留进度条。
   final bool scrubbing;
+  final bool suppressProgressLoading;
 
   @override
   Widget build(BuildContext context) {
     return SafeArea(
       child: Stack(
+        clipBehavior: Clip.none,
         children: [
           Positioned.fill(
-            child: LayoutBuilder(
-              builder: (context, constraints) => GestureDetector(
-                key: const Key('player-video-tap'),
-                behavior: HitTestBehavior.opaque,
-                onTap: actions.onTogglePlay,
-                onLongPressStart: (details) =>
-                    _handleLongPressStart(details, constraints.maxWidth),
-                onLongPressEnd: (_) => actions.onBoostEnd(),
-                onLongPressCancel: actions.onBoostEnd,
-              ),
+            child: PlayerTapGestureRegion(
+              key: const ValueKey('player-tap-gesture-region'),
+              gestureKey: const Key('player-video-tap'),
+              enabled: !scrubbing,
+              doubleTapEnabled: !data.locked,
+              onSingleTap: actions.onTogglePlay,
+              onDoubleTapLike: actions.onDoubleTapLike,
+              onLongPressStart: _handleLongPressStart,
+              onInteractionEnd: actions.onBoostEnd,
             ),
           ),
           _top(context),
@@ -175,14 +178,6 @@ class PlayerPlaybackOverlay extends StatelessWidget {
                 selected: data.saved,
                 onTap: actions.onSave,
               ),
-              InteractionRailItem(
-                key: const Key('player-rail-comments'),
-                asset: 'assets/icon/rail/rail_comment.png',
-                label: data.l10n.comments,
-                count: data.commentCount,
-                countKey: const Key('player-rail-comments-count'),
-                onTap: actions.onComments,
-              ),
               InteractionRailItem(
                 key: const Key('player-rail-like'),
                 asset: 'assets/icon/rail/rail_like.png',
@@ -193,6 +188,14 @@ class PlayerPlaybackOverlay extends StatelessWidget {
                 selectedColor: AppColors.doubleTapHeartRed,
                 onTap: actions.onLike,
               ),
+              InteractionRailItem(
+                key: const Key('player-rail-comments'),
+                asset: 'assets/icon/rail/rail_comment.png',
+                label: data.l10n.comments,
+                count: data.commentCount,
+                countKey: const Key('player-rail-comments-count'),
+                onTap: actions.onComments,
+              ),
               InteractionRailItem(
                 key: const Key('player-rail-share'),
                 asset: 'assets/icon/rail/rail_share.png',
@@ -303,8 +306,9 @@ class PlayerPlaybackOverlay extends StatelessWidget {
         spriteAxisService: data.spriteAxisService,
         thumbnailsUrl: data.episode.thumbnailsUrl,
         episodeId: data.episode.id,
-        posterUrl: data.drama.posterUrl,
         inactiveTrackColor: AppColors.inactiveTrack,
+        fallbackDuration: Duration(seconds: data.episode.durationSec),
+        suppressBufferLoading: suppressProgressLoading,
         onScrubStart: actions.onScrubStart,
         onScrubEnd: actions.onScrubEnd,
         onSeek: actions.onSeek,

lib/pages/player/widgets/player_overlay_models.dart

@@ -1,5 +1,7 @@
 // Author: fruit.com.cn
 
+import 'dart:ui';
+
 import 'package:flutter/foundation.dart';
 import 'package:video_player/video_player.dart';
 
@@ -87,6 +89,7 @@ class PlayerOverlayActions {
   const PlayerOverlayActions({
     required this.onBack,
     required this.onTogglePlay,
+    this.onDoubleTapLike,
     required this.onClear,
     required this.onExitClear,
     required this.onDetail,
@@ -111,6 +114,9 @@ class PlayerOverlayActions {
   /// 切换播放状态。
   final VoidCallback onTogglePlay;
 
+  /// 双击画面点赞；位置用于飘心。
+  final ValueChanged<Offset>? onDoubleTapLike;
+
   /// 进入清屏。
   final VoidCallback onClear;
 

lib/pages/player/widgets/player_render_stack.dart

@@ -0,0 +1,214 @@
+// Author: fruit.com.cn
+
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+import 'package:video_player/video_player.dart';
+
+import '../../../core/theme/app_colors.dart';
+import 'player_opening_frame.dart';
+import 'player_video_surface.dart';
+
+enum PlayerRenderSlotRole { previous, current, next }
+
+class PlayerRenderSlotData {
+  const PlayerRenderSlotData({
+    required this.role,
+    this.index,
+    this.pagePosition,
+    this.controller,
+    this.videoUrl = '',
+    this.theater = false,
+    this.placeholder,
+    this.warmFrameAvailable = false,
+    this.thumbnailReady = false,
+    this.posterReady = false,
+    this.fallback = PlayerOpeningFallback.black,
+    this.warmSlotReused = false,
+    this.waitForPlaybackFrame = false,
+  });
+
+  final PlayerRenderSlotRole role;
+  final int? index;
+  final double? pagePosition;
+  final VideoPlayerController? controller;
+  final String videoUrl;
+  final bool theater;
+  final Widget? placeholder;
+  final bool warmFrameAvailable;
+  final bool thumbnailReady;
+  final bool posterReady;
+  final PlayerOpeningFallback fallback;
+  final bool warmSlotReused;
+  final bool waitForPlaybackFrame;
+
+  factory PlayerRenderSlotData.empty(PlayerRenderSlotRole role) {
+    return PlayerRenderSlotData(role: role);
+  }
+}
+
+/// 播放画面不随 PageView 生命周期销毁，三个固定槽位只更新控制器和位置。
+class PlayerRenderStack extends StatefulWidget {
+  const PlayerRenderStack({
+    super.key,
+    required this.pageController,
+    required this.slots,
+    this.onCurrentVideoVisible,
+  });
+
+  final PageController pageController;
+  final Map<PlayerRenderSlotRole, PlayerRenderSlotData> slots;
+  final ValueChanged<int?>? onCurrentVideoVisible;
+
+  @override
+  State<PlayerRenderStack> createState() => _PlayerRenderStackState();
+}
+
+class _PlayerRenderStackState extends State<PlayerRenderStack> {
+  int? _lastCurrentIndex;
+
+  @override
+  void initState() {
+    super.initState();
+    _lastCurrentIndex = _currentSlot.index;
+    _log(
+      'init current=${_lastCurrentIndex ?? '-'} '
+      'pageController=${identityHashCode(widget.pageController)}',
+    );
+  }
+
+  @override
+  void didUpdateWidget(covariant PlayerRenderStack oldWidget) {
+    super.didUpdateWidget(oldWidget);
+    final currentIndex = _currentSlot.index;
+    if (_lastCurrentIndex != currentIndex) {
+      _log(
+        'session-index previous=${_lastCurrentIndex ?? '-'} '
+        'current=${currentIndex ?? '-'}',
+      );
+      _lastCurrentIndex = currentIndex;
+    }
+  }
+
+  @override
+  void dispose() {
+    _log(
+      'dispose current=${_lastCurrentIndex ?? '-'} '
+      'pageController=${identityHashCode(widget.pageController)}',
+    );
+    super.dispose();
+  }
+
+  PlayerRenderSlotData get _currentSlot =>
+      widget.slots[PlayerRenderSlotRole.current] ??
+      PlayerRenderSlotData.empty(PlayerRenderSlotRole.current);
+
+  @override
+  Widget build(BuildContext context) {
+    return IgnorePointer(
+      child: AnimatedBuilder(
+        animation: widget.pageController,
+        builder: (context, _) {
+          return LayoutBuilder(
+            builder: (context, constraints) {
+              final viewportHeight = constraints.maxHeight.isFinite
+                  ? constraints.maxHeight
+                  : MediaQuery.sizeOf(context).height;
+              final pageOffset = _pageOffset();
+              final currentPage = _currentSlot.pagePosition ?? pageOffset;
+              final slots = [
+                _slotData(PlayerRenderSlotRole.previous),
+                _slotData(PlayerRenderSlotRole.current),
+                _slotData(PlayerRenderSlotRole.next),
+              ];
+              return Stack(
+                key: const Key('player-render-stack'),
+                fit: StackFit.expand,
+                clipBehavior: Clip.hardEdge,
+                children: [
+                  const ColoredBox(
+                    key: Key('player-fallback-background'),
+                    color: AppColors.mediaBlack,
+                  ),
+                  for (final slot in slots)
+                    _positionedSurface(
+                      slot,
+                      pageOffset: pageOffset,
+                      viewportHeight: viewportHeight,
+                      fallbackPage: _fallbackPage(slot.role, currentPage),
+                    ),
+                ],
+              );
+            },
+          );
+        },
+      ),
+    );
+  }
+
+  PlayerRenderSlotData _slotData(PlayerRenderSlotRole role) {
+    return widget.slots[role] ?? PlayerRenderSlotData.empty(role);
+  }
+
+  double _pageOffset() {
+    if (!widget.pageController.hasClients) {
+      return widget.pageController.initialPage.toDouble();
+    }
+    final position = widget.pageController.position;
+    if (!position.hasPixels ||
+        !position.hasViewportDimension ||
+        position.viewportDimension <= 0) {
+      return widget.pageController.initialPage.toDouble();
+    }
+    return position.pixels / position.viewportDimension;
+  }
+
+  double _fallbackPage(PlayerRenderSlotRole role, double currentPage) {
+    return switch (role) {
+      PlayerRenderSlotRole.previous => currentPage - 1,
+      PlayerRenderSlotRole.current => currentPage,
+      PlayerRenderSlotRole.next => currentPage + 1,
+    };
+  }
+
+  Widget _positionedSurface(
+    PlayerRenderSlotData slot, {
+    required double pageOffset,
+    required double viewportHeight,
+    required double fallbackPage,
+  }) {
+    final slotPage = slot.pagePosition ?? fallbackPage;
+    final offset = (slotPage - pageOffset) * viewportHeight;
+    return Positioned.fill(
+      child: Transform.translate(
+        key: Key('player-render-transform-${slot.role.name}'),
+        offset: Offset(0, offset),
+        child: PlayerVideoSurface(
+          key: ValueKey('player-render-slot-${slot.role.name}'),
+          debugSlot: slot.role.name,
+          debugIndex: slot.index,
+          showFallbackBackground: false,
+          controller: slot.controller,
+          videoUrl: slot.videoUrl,
+          theater: slot.theater,
+          placeholder: slot.placeholder,
+          warmFrameAvailable: slot.warmFrameAvailable,
+          thumbnailReady: slot.thumbnailReady,
+          posterReady: slot.posterReady,
+          fallback: slot.fallback,
+          warmSlotReused: slot.warmSlotReused,
+          waitForPlaybackFrame: slot.waitForPlaybackFrame,
+          onVideoVisible: slot.role == PlayerRenderSlotRole.current
+              ? () => widget.onCurrentVideoVisible?.call(slot.index)
+              : null,
+        ),
+      ),
+    );
+  }
+
+  void _log(String message) {
+    if (!kDebugMode) return;
+    debugPrint(
+      '[player-render] ts=${DateTime.now().millisecondsSinceEpoch} $message',
+    );
+  }
+}

lib/pages/player/widgets/player_tap_gesture_region.dart

@@ -0,0 +1,196 @@
+// Author: fruit.com.cn
+
+import 'dart:async';
+
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+
+import 'player_double_tap_hearts.dart';
+import 'player_heart_overlay_scope.dart';
+
+typedef PlayerLongPressStartCallback =
+    void Function(LongPressStartDetails details, double width);
+
+/// 播放画面共用的单击/双击仲裁层。
+class PlayerTapGestureRegion extends StatefulWidget {
+  const PlayerTapGestureRegion({
+    super.key,
+    required this.gestureKey,
+    required this.onSingleTap,
+    required this.onLongPressStart,
+    required this.onInteractionEnd,
+    this.onDoubleTapLike,
+    this.doubleTapEnabled = true,
+    this.enabled = true,
+    this.now,
+  });
+
+  final Key gestureKey;
+  final VoidCallback onSingleTap;
+  final ValueChanged<Offset>? onDoubleTapLike;
+  final PlayerLongPressStartCallback onLongPressStart;
+  final VoidCallback onInteractionEnd;
+  final bool doubleTapEnabled;
+  final bool enabled;
+  final DateTime Function()? now;
+
+  @override
+  State<PlayerTapGestureRegion> createState() => _PlayerTapGestureRegionState();
+}
+
+class _PlayerTapGestureRegionState extends State<PlayerTapGestureRegion> {
+  static const Duration _singleTapDelay = Duration(milliseconds: 320);
+
+  Timer? _singleTapTimer;
+  DateTime? _lastDownAt;
+  DateTime? _blockSingleTapUntil;
+  bool _doubleTapDown = false;
+  bool _likedThisPair = false;
+  int _downSerial = 0;
+  int _tapSeq = 0;
+  int _nextHeartBurstId = 0;
+
+  @override
+  void dispose() {
+    _tapSeq++;
+    _singleTapTimer?.cancel();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return IgnorePointer(
+      ignoring: !widget.enabled,
+      child: LayoutBuilder(
+        builder: (context, constraints) => Listener(
+          onPointerUp: (_) => widget.onInteractionEnd(),
+          onPointerCancel: (_) => widget.onInteractionEnd(),
+          onPointerDown: _handlePointerDown,
+          child: Stack(
+            fit: StackFit.expand,
+            clipBehavior: Clip.none,
+            children: [
+              GestureDetector(
+                key: widget.gestureKey,
+                behavior: HitTestBehavior.opaque,
+                onTapUp: _handleTapUp,
+                onLongPressStart: (details) =>
+                    _handleLongPressStart(details, constraints.maxWidth),
+                onLongPressEnd: (_) => widget.onInteractionEnd(),
+                onLongPressCancel: widget.onInteractionEnd,
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+
+  DateTime _now() => widget.now?.call() ?? DateTime.now();
+
+  void _handlePointerDown(PointerDownEvent event) {
+    final now = _now();
+    final previous = _lastDownAt;
+    _downSerial++;
+    _lastDownAt = now;
+    final repeated =
+        previous != null && now.difference(previous) <= _singleTapDelay;
+    if (!repeated) {
+      if (_singleTapBlocked(now)) return;
+      _doubleTapDown = false;
+      _likedThisPair = false;
+      return;
+    }
+    _doubleTapDown = true;
+    _blockSingleTapUntil = now.add(_singleTapDelay);
+    _cancelPendingSingleTap();
+  }
+
+  bool _singleTapBlocked(DateTime now) {
+    final blockedUntil = _blockSingleTapUntil;
+    return blockedUntil != null && now.isBefore(blockedUntil);
+  }
+
+  void _cancelPendingSingleTap() {
+    _tapSeq++;
+    _singleTapTimer?.cancel();
+    _singleTapTimer = null;
+  }
+
+  void _handleTapUp(TapUpDetails details) {
+    final now = _now();
+    if (_doubleTapDown || _singleTapBlocked(now)) {
+      _handleDoubleTapLike(details.globalPosition);
+      return;
+    }
+    final serial = _downSerial;
+    final tapSeq = ++_tapSeq;
+    _singleTapTimer?.cancel();
+    late final Timer pending;
+    pending = Timer(_singleTapDelay, () {
+      if (!identical(_singleTapTimer, pending)) return;
+      _singleTapTimer = null;
+      if (!mounted || tapSeq != _tapSeq || serial != _downSerial) return;
+      if (_doubleTapDown || _singleTapBlocked(_now())) return;
+      _lastDownAt = null;
+      widget.onSingleTap();
+    });
+    _singleTapTimer = pending;
+  }
+
+  void _handleDoubleTapLike(Offset globalPosition) {
+    _blockSingleTapUntil = _now().add(_singleTapDelay);
+    _cancelPendingSingleTap();
+    if (!widget.doubleTapEnabled || _likedThisPair) return;
+    _likedThisPair = true;
+    _showHeartBurst(globalPosition);
+    widget.onDoubleTapLike?.call(globalPosition);
+  }
+
+  void _showHeartBurst(Offset globalPosition) {
+    final overlay = Overlay.maybeOf(context, rootOverlay: true);
+    if (overlay == null) return;
+    final overlayBox = overlay.context.findRenderObject();
+    final origin = overlayBox is RenderBox
+        ? overlayBox.globalToLocal(globalPosition)
+        : globalPosition;
+    final id = _nextHeartBurstId++;
+    final controller = PlayerHeartOverlayScope.maybeOf(context);
+    var removed = false;
+    late final OverlayEntry entry;
+    void removeEntry() {
+      if (removed) return;
+      removed = true;
+      controller?.untrack(id);
+      if (entry.mounted) entry.remove();
+      entry.dispose();
+      if (kDebugMode) {
+        debugPrint('[player] phase=heart-burst-entry-removed id=$id');
+      }
+    }
+
+    entry = OverlayEntry(
+      builder: (context) => Positioned.fill(
+        child: IgnorePointer(
+          child: PlayerDoubleTapHeartBurst(
+            key: ValueKey('heart-overlay-$id'),
+            burstId: id,
+            origin: origin,
+            now: widget.now,
+            onCompleted: removeEntry,
+          ),
+        ),
+      ),
+    );
+    controller?.track(id, entry);
+    overlay.insert(entry);
+  }
+
+  void _handleLongPressStart(LongPressStartDetails details, double width) {
+    _tapSeq++;
+    _cancelPendingSingleTap();
+    _doubleTapDown = false;
+    _lastDownAt = null;
+    widget.onLongPressStart(details, width);
+  }
+}

lib/pages/player/widgets/player_unlock_sheet.dart

@@ -49,7 +49,8 @@ class PlayerBlockedNotice extends StatelessWidget {
 
   bool get _needsUnlock =>
       accessType == PlayTicket.coinRequired ||
-      accessType == PlayTicket.vipRequired;
+      accessType == PlayTicket.vipRequired ||
+      (accessType == null && episode.locked);
 
   @override
   Widget build(BuildContext context) {

lib/pages/player/widgets/player_video_surface.dart

@@ -5,89 +5,180 @@ import 'package:flutter/material.dart';
 import 'package:video_player/video_player.dart';
 
 import '../../../core/theme/app_colors.dart';
+import 'player_opening_frame.dart';
 
-const Duration _videoFadeDuration = Duration(milliseconds: 200);
+const Duration _crossFadeDuration = Duration(milliseconds: 180);
 const double _errorHorizontal = 32;
 const int _errorMaxLines = 3;
 
-/// 黑色底层与视频层共用同一控制器。清晰度切换时用仍在播放的旧画面盖住新纹理的黑帧。
+/// 播放区只维护一个占位和一个视频层，首帧确认后执行一次交叉淡化。
 class PlayerVideoSurface extends StatefulWidget {
   const PlayerVideoSurface({
     super.key,
     required this.controller,
     required this.videoUrl,
     required this.theater,
-    this.handoff,
-    this.openingFrame,
+    this.placeholder,
+    this.warmFrameAvailable = false,
+    this.thumbnailReady = false,
+    this.posterReady = false,
+    this.fallback = PlayerOpeningFallback.black,
+    this.warmSlotReused = false,
+    this.waitForPlaybackFrame = false,
+    this.debugSlot = 'default',
+    this.debugIndex,
+    this.showFallbackBackground = true,
+    this.onVideoVisible,
   });
 
   final VideoPlayerController? controller;
-  final VideoPlayerController? handoff;
 
-  /// 解码出第一帧之前垫上的视频首帧，没有则为空。
-  final Widget? openingFrame;
+  /// 视频首帧未确认时唯一的占位 widget。
+  final Widget? placeholder;
+
+  /// 相邻集预热槽已可用时直接出视频，不挂载占位。
+  final bool warmFrameAvailable;
+
+  /// 当前集 t=0 雪碧图是否已命中缓存，仅用于调试判定链。
+  final bool thumbnailReady;
+
+  /// 当前集高清 poster 是否已下发，仅用于调试判定链。
+  final bool posterReady;
+
+  /// 首个视频帧确认前实际选择的唯一占位来源。
+  final PlayerOpeningFallback fallback;
+
+  /// 当前集是否为相邻集预热槽晋升而来。
+  final bool warmSlotReused;
+
+  /// 自动播放中的新集等待 position 首次前进后再移交画面。
+  final bool waitForPlaybackFrame;
+  final String debugSlot;
+  final int? debugIndex;
+  final bool showFallbackBackground;
   final String videoUrl;
   final bool theater;
+  final VoidCallback? onVideoVisible;
 
   @override
   State<PlayerVideoSurface> createState() => _PlayerVideoSurfaceState();
 }
 
-class _PlayerVideoSurfaceState extends State<PlayerVideoSurface> {
-  String? _lastDebugState;
+class _PlayerVideoSurfaceState extends State<PlayerVideoSurface>
+    with SingleTickerProviderStateMixin {
+  late final AnimationController _crossFade;
+  VideoPlayerController? _attachedController;
+  Widget? _placeholderSnapshot;
+  Size? _videoSize;
+  bool _playbackStarted = false;
+  bool _frameConfirmed = false;
+  bool _confirmationScheduled = false;
+  bool _transitioning = false;
+  bool _videoVisible = false;
+  bool _videoVisibleNotified = false;
+  String? _lastLayerState;
+
+  @override
+  void initState() {
+    super.initState();
+    _crossFade = AnimationController(vsync: this, duration: _crossFadeDuration)
+      ..addStatusListener(_handleFadeStatus);
+    _placeholderSnapshot = widget.placeholder;
+    _attachController(widget.controller);
+    final value = widget.controller?.value;
+    _updatePlaybackFlags(value);
+    _videoSize = value != null && value.isInitialized ? value.size : null;
+    _logSlot('init', value);
+    if (_firstFrameConfirmed(value)) {
+      _confirmFirstFrame(initial: true);
+    } else {
+      _logLayer('placeholder', value);
+    }
+  }
 
   @override
   void didUpdateWidget(covariant PlayerVideoSurface oldWidget) {
     super.didUpdateWidget(oldWidget);
-    if (oldWidget.controller != widget.controller) _lastDebugState = null;
+    if (oldWidget.controller != widget.controller) {
+      _logSlot('controller-change-before', oldWidget.controller?.value);
+      _detachController(oldWidget.controller);
+      _resetForControllerChange();
+      _attachController(widget.controller);
+      final value = widget.controller?.value;
+      _updatePlaybackFlags(value);
+      _videoSize = value != null && value.isInitialized ? value.size : null;
+      _logSlot('controller-change-after', value);
+      if (_firstFrameConfirmed(value)) {
+        _confirmFirstFrame(initial: true);
+      } else {
+        _logLayer('placeholder', value);
+      }
+      return;
+    }
+    if (!_transitioning &&
+        !_videoVisible &&
+        oldWidget.placeholder != widget.placeholder) {
+      _placeholderSnapshot = widget.placeholder;
+    }
+    if (oldWidget.thumbnailReady != widget.thumbnailReady ||
+        oldWidget.posterReady != widget.posterReady ||
+        oldWidget.fallback != widget.fallback ||
+        oldWidget.warmSlotReused != widget.warmSlotReused ||
+        oldWidget.warmFrameAvailable != widget.warmFrameAvailable) {
+      final value = widget.controller?.value;
+      _updatePlaybackFlags(value);
+      if (!_frameConfirmed && _firstFrameConfirmed(value)) {
+        _confirmFirstFrame();
+      } else {
+        _logLayer('placeholder', value);
+      }
+    }
+  }
+
+  @override
+  void dispose() {
+    _logSlot('dispose', widget.controller?.value);
+    _detachController(widget.controller);
+    _crossFade
+      ..removeStatusListener(_handleFadeStatus)
+      ..dispose();
+    super.dispose();
   }
 
   @override
   Widget build(BuildContext context) {
     final controller = widget.controller;
-    if (controller == null) return _frame(null);
-    return ValueListenableBuilder<VideoPlayerValue>(
-      valueListenable: controller,
-      builder: (context, value, _) => _frame(value),
-    );
-  }
-
-  Widget _frame(VideoPlayerValue? value) {
-    final controller = widget.controller;
-    final handoff = _liveHandoff(controller);
-    final reveal = _shouldReveal(value, handoff != null);
-    _logStateChange(value);
+    final value = controller?.value;
+    final videoSize = _videoSize;
+    final showVideo = controller != null && videoSize != null;
+    final showPlaceholder = !_videoVisible && _placeholderSnapshot != null;
+    final video = showVideo
+        ? _VideoLayer(
+            controller: controller,
+            size: videoSize,
+            theater: widget.theater,
+          )
+        : null;
     return Stack(
       fit: StackFit.expand,
       children: [
-        const ColoredBox(
-          key: Key('player-fallback-background'),
-          color: AppColors.mediaBlack,
-        ),
-        if (!reveal && widget.openingFrame != null)
-          KeyedSubtree(
-            key: const Key('player-opening-frame'),
-            child: widget.openingFrame!,
+        if (widget.showFallbackBackground)
+          const ColoredBox(
+            key: Key('player-fallback-background'),
+            color: AppColors.mediaBlack,
           ),
-        AnimatedOpacity(
-          key: const Key('player-video-opacity'),
-          opacity: reveal ? 1 : 0,
-          duration: handoff != null ? Duration.zero : _videoFadeDuration,
-          curve: Curves.easeOut,
-          child: reveal && controller != null
-              ? _VideoLayer(
-                  controller: controller,
-                  value: value!,
-                  theater: widget.theater,
-                )
-              : const SizedBox.expand(),
-        ),
-        if (handoff != null)
-          _VideoLayer(
-            key: const Key('player-video-handoff'),
-            controller: handoff,
-            value: handoff.value,
-            theater: widget.theater,
+        if (showPlaceholder)
+          KeyedSubtree(
+            key: const Key('player-single-placeholder'),
+            child: _placeholderSnapshot!,
+          ),
+        if (_videoVisible && video != null)
+          KeyedSubtree(key: const Key('player-video-layer'), child: video)
+        else if (_transitioning && video != null)
+          FadeTransition(
+            key: const Key('player-video-crossfade'),
+            opacity: _crossFade,
+            child: video,
           ),
         if (kDebugMode && value?.hasError == true)
           Center(
@@ -107,77 +198,242 @@ class _PlayerVideoSurfaceState extends State<PlayerVideoSurface> {
     );
   }
 
-  bool _shouldReveal(VideoPlayerValue? value, bool covered) {
-    if (covered) return value?.isInitialized ?? false;
-    if (value == null || value.hasError || !value.isInitialized) return false;
-    return value.size.width > 0 && value.size.height > 0;
+  void _attachController(VideoPlayerController? controller) {
+    _attachedController = controller;
+    controller?.addListener(_handleControllerChanged);
   }
 
-  /// 只画会话仍持有的旧画面，控制器一旦被换掉就不再引用。
-  VideoPlayerController? _liveHandoff(VideoPlayerController? controller) {
-    final handoff = widget.handoff;
-    if (handoff == null || identical(handoff, controller)) return null;
-    return handoff;
+  void _detachController(VideoPlayerController? controller) {
+    controller?.removeListener(_handleControllerChanged);
+    if (_attachedController == controller) _attachedController = null;
   }
 
-  void _logStateChange(VideoPlayerValue? value) {
+  void _handleControllerChanged() {
+    final value = widget.controller?.value;
+    final nextSize = value != null && value.isInitialized ? value.size : null;
+    final sizeChanged = nextSize != _videoSize;
+    _updatePlaybackFlags(value);
+    _videoSize = nextSize;
+    if (!_frameConfirmed && _firstFrameConfirmed(value)) {
+      _scheduleFirstFrameConfirmation();
+    } else if (sizeChanged && mounted) {
+      setState(() {});
+    }
+  }
+
+  void _updatePlaybackFlags(VideoPlayerValue? value) {
+    _playbackStarted = _playbackStarted || value?.isPlaying == true;
+  }
+
+  void _scheduleFirstFrameConfirmation() {
+    if (_confirmationScheduled || _frameConfirmed) return;
+    _confirmationScheduled = true;
+    if (kDebugMode) {
+      debugPrint(
+        '[player-layer] ts=${DateTime.now().millisecondsSinceEpoch} '
+        'slot=${widget.debugSlot} index=${widget.debugIndex ?? '-'} '
+        'phase=first-frame-scheduled',
+      );
+    }
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      if (kDebugMode) {
+        debugPrint(
+          '[player-layer] ts=${DateTime.now().millisecondsSinceEpoch} '
+          'slot=${widget.debugSlot} index=${widget.debugIndex ?? '-'} '
+          'phase=first-frame-callback mounted=$mounted',
+        );
+      }
+      _confirmationScheduled = false;
+      if (!mounted || _frameConfirmed) return;
+      if (_firstFrameConfirmed(widget.controller?.value)) {
+        _confirmFirstFrame();
+      }
+    });
+    WidgetsBinding.instance.scheduleFrame();
+  }
+
+  bool _firstFrameConfirmed(VideoPlayerValue? value) {
+    if (value == null ||
+        !value.isInitialized ||
+        value.hasError ||
+        value.size.width <= 0 ||
+        value.size.height <= 0) {
+      return false;
+    }
+    if (widget.warmFrameAvailable || !widget.waitForPlaybackFrame) return true;
+    if (value.position > Duration.zero || value.isCompleted) return true;
+    return _playbackStarted && !value.isPlaying && !value.isBuffering;
+  }
+
+  void _confirmFirstFrame({bool initial = false}) {
+    if (_frameConfirmed || _videoSize == null) return;
+    _frameConfirmed = true;
+    _logSlot('firstFrameRendered', widget.controller?.value);
+    final canSkipPlaceholder =
+        widget.warmFrameAvailable || _placeholderSnapshot == null;
+    if (canSkipPlaceholder) {
+      if (initial) {
+        _videoVisible = true;
+        _placeholderSnapshot = null;
+      } else {
+        setState(() {
+          _videoVisible = true;
+          _placeholderSnapshot = null;
+        });
+      }
+      _logLayer('video', widget.controller?.value);
+      _notifyVideoVisible();
+      return;
+    }
+    if (initial) {
+      _transitioning = true;
+      _logLayer('fade-start', widget.controller?.value);
+      _crossFade.forward(from: 0);
+    } else {
+      setState(() {
+        _transitioning = true;
+        _placeholderSnapshot = widget.placeholder;
+      });
+      _logLayer('fade-start', widget.controller?.value);
+      _crossFade.forward(from: 0);
+    }
+  }
+
+  void _handleFadeStatus(AnimationStatus status) {
+    if (status != AnimationStatus.completed || !mounted) return;
+    setState(() {
+      _transitioning = false;
+      _videoVisible = true;
+      _placeholderSnapshot = null;
+    });
+    _logLayer('fade-end', widget.controller?.value);
+    _notifyVideoVisible();
+  }
+
+  void _resetForControllerChange() {
+    _crossFade.reset();
+    _placeholderSnapshot = widget.placeholder;
+    _videoSize = null;
+    _playbackStarted = false;
+    _frameConfirmed = false;
+    _confirmationScheduled = false;
+    _transitioning = false;
+    _videoVisible = false;
+    _videoVisibleNotified = false;
+    _lastLayerState = null;
+  }
+
+  void _notifyVideoVisible() {
+    if (_videoVisibleNotified) return;
+    _videoVisibleNotified = true;
+    final callback = widget.onVideoVisible;
+    if (callback == null) return;
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      if (mounted) callback();
+    });
+  }
+
+  void _logLayer(String phase, VideoPlayerValue? value) {
     if (!kDebugMode) return;
-    final status = _debugStatus(value);
+    final fallback = phase == 'video' || phase == 'fade-end'
+        ? 'video'
+        : _fallbackLabel(widget.fallback);
     final signature =
-        '$status|${value?.isInitialized ?? false}|'
-        '${value?.errorDescription ?? 'none'}';
-    if (signature == _lastDebugState) return;
-    _lastDebugState = signature;
-    final source = widget.controller?.dataSource ?? widget.videoUrl;
+        'slot=${widget.debugSlot} '
+        'index=${widget.debugIndex ?? '-'} '
+        'phase=$phase warm=${widget.warmFrameAvailable ? 1 : 0} '
+        'reusedWarm=${widget.warmSlotReused ? 1 : 0} '
+        'frame=${_frameConfirmed ? 1 : 0} '
+        'poster=${widget.posterReady ? 'ready' : 'none'} '
+        'thumbnails=${widget.thumbnailReady ? 'ready' : 'pending'} '
+        'fallback=$fallback '
+        'init=${value?.isInitialized == true ? 1 : 0} '
+        'position=${value?.position.inMilliseconds ?? 0} '
+        'playing=${value?.isPlaying == true ? 1 : 0} '
+        'buffering=${value?.isBuffering == true ? 1 : 0} '
+        'placeholder=${_placeholderLabel()}';
+    if (signature == _lastLayerState) return;
+    _lastLayerState = signature;
     debugPrint(
-      '[video] init=${value?.isInitialized ?? false} '
-      'err=${value?.errorDescription ?? 'none'} host=${_host(source)}',
+      '[player-layer] ts=${DateTime.now().millisecondsSinceEpoch} $signature',
     );
   }
 
-  String _debugStatus(VideoPlayerValue? value) {
-    if (value == null) return 'loading';
-    if (value.hasError) {
-      return 'error: ${value.errorDescription ?? 'unknown'}';
-    }
-    if (value.isBuffering) return 'buffering';
-    if (value.isInitialized) return 'initialized';
-    return 'loading';
+  void _logSlot(String phase, VideoPlayerValue? value) {
+    if (!kDebugMode) return;
+    debugPrint(
+      '[player-layer] ts=${DateTime.now().millisecondsSinceEpoch} '
+      'slot=${widget.debugSlot} index=${widget.debugIndex ?? '-'} '
+      'phase=$phase state=${identityHashCode(this)} '
+      'controller=${widget.controller == null ? '-' : identityHashCode(widget.controller)} '
+      'init=${value?.isInitialized == true ? 1 : 0}',
+    );
   }
 
-  String _host(String source) {
-    final uri = Uri.tryParse(source);
-    if (uri == null || uri.host.isEmpty) return 'unknown';
-    final port = uri.hasPort
-        ? uri.port
-        : uri.scheme == 'https'
-        ? 443
-        : 80;
-    return '${uri.host}:$port';
+  String _placeholderLabel() {
+    if (_placeholderSnapshot == null) return 'none';
+    return switch (widget.fallback) {
+      PlayerOpeningFallback.handoff => 'handoff',
+      PlayerOpeningFallback.poster => 'poster',
+      PlayerOpeningFallback.thumbnails => 'thumbnails',
+      PlayerOpeningFallback.black => 'none',
+    };
+  }
+
+  String _fallbackLabel(PlayerOpeningFallback fallback) {
+    if (_placeholderSnapshot == null) return 'black';
+    return switch (fallback) {
+      PlayerOpeningFallback.handoff => 'handoff',
+      PlayerOpeningFallback.poster => 'poster',
+      PlayerOpeningFallback.thumbnails => 'thumbnails-first-frame',
+      PlayerOpeningFallback.black => 'black',
+    };
   }
 }
 
-class _VideoLayer extends StatelessWidget {
-  const _VideoLayer({
+/// 将旧 controller 作为唯一占位，不额外叠加 handoff 层。
+class ControllerFramePlaceholder extends StatelessWidget {
+  const ControllerFramePlaceholder({
     super.key,
     required this.controller,
-    required this.value,
     required this.theater,
   });
 
   final VideoPlayerController controller;
-  final VideoPlayerValue value;
   final bool theater;
 
   @override
   Widget build(BuildContext context) {
+    final size = controller.value.size;
     return FittedBox(
       fit: theater ? BoxFit.contain : BoxFit.cover,
       child: SizedBox(
-        width: value.size.width,
-        height: value.size.height,
+        width: size.width,
+        height: size.height,
         child: VideoPlayer(controller, key: ValueKey(controller)),
       ),
     );
   }
 }
+
+class _VideoLayer extends StatelessWidget {
+  const _VideoLayer({
+    required this.controller,
+    required this.size,
+    required this.theater,
+  });
+
+  final VideoPlayerController controller;
+  final Size size;
+  final bool theater;
+
+  @override
+  Widget build(BuildContext context) => FittedBox(
+    fit: theater ? BoxFit.contain : BoxFit.cover,
+    child: SizedBox(
+      width: size.width,
+      height: size.height,
+      child: VideoPlayer(controller, key: ValueKey(controller)),
+    ),
+  );
+}

lib/pages/player/widgets/scrub_preview_card.dart

@@ -9,7 +9,6 @@ import 'package:flutter/material.dart';
 import '../../../core/data/services/playback_thumbnail_service.dart';
 import '../../../core/data/services/sprite_thumbnail_axis.dart';
 import '../../../core/theme/app_colors.dart';
-import '../../../core/widgets/remote_image.dart';
 
 const double scrubPreviewWidth = 96;
 const double scrubPreviewSafeMargin = 12;
@@ -36,7 +35,6 @@ class ScrubPreviewCard extends StatefulWidget {
     super.key,
     required this.service,
     required this.episodeId,
-    required this.posterUrl,
     required this.position,
     required this.duration,
     this.spriteAxisService,
@@ -47,7 +45,6 @@ class ScrubPreviewCard extends StatefulWidget {
   final SpriteThumbnailAxisSource? spriteAxisService;
   final String? thumbnailsUrl;
   final String episodeId;
-  final String posterUrl;
   final Duration position;
   final Duration duration;
 
@@ -207,11 +204,9 @@ class _ScrubPreviewCardState extends State<ScrubPreviewCard> {
               child: Stack(
                 fit: StackFit.expand,
                 children: [
-                  RemoteImage(
-                    widget.posterUrl,
-                    key: const Key('scrub-preview-poster'),
-                    fit: BoxFit.cover,
-                    fallbackColor: AppColors.bar,
+                  const ColoredBox(
+                    key: Key('scrub-preview-background'),
+                    color: AppColors.bar,
                   ),
                   if (stage == ScrubPreviewStage.sprite && spriteFrame != null)
                     SpriteCropPreview(
@@ -256,26 +251,33 @@ class SpriteCropPreview extends StatelessWidget {
     super.key,
     required this.image,
     required this.sourceRect,
+    this.fit = BoxFit.cover,
   });
 
   final ui.Image image;
   final ui.Rect sourceRect;
+  final BoxFit fit;
 
   @override
   Widget build(BuildContext context) => CustomPaint(
-    painter: _SpriteCropPainter(image: image, sourceRect: sourceRect),
+    painter: _SpriteCropPainter(image: image, sourceRect: sourceRect, fit: fit),
   );
 }
 
 class _SpriteCropPainter extends CustomPainter {
-  const _SpriteCropPainter({required this.image, required this.sourceRect});
+  const _SpriteCropPainter({
+    required this.image,
+    required this.sourceRect,
+    required this.fit,
+  });
 
   final ui.Image image;
   final ui.Rect sourceRect;
+  final BoxFit fit;
 
   @override
   void paint(Canvas canvas, Size size) {
-    final fitted = applyBoxFit(BoxFit.cover, sourceRect.size, size);
+    final fitted = applyBoxFit(fit, sourceRect.size, size);
     final sourceOffset = Alignment.center.inscribe(
       fitted.source,
       Offset.zero & sourceRect.size,
@@ -302,7 +304,9 @@ class _SpriteCropPainter extends CustomPainter {
 
   @override
   bool shouldRepaint(covariant _SpriteCropPainter oldDelegate) =>
-      oldDelegate.image != image || oldDelegate.sourceRect != sourceRect;
+      oldDelegate.image != image ||
+      oldDelegate.sourceRect != sourceRect ||
+      oldDelegate.fit != fit;
 }
 
 String _format(Duration value) {

lib/pages/player/widgets/seek_progress_bar.dart

@@ -41,8 +41,9 @@ class SeekProgressBar extends StatefulWidget {
     this.thumbnailService,
     this.spriteAxisService,
     this.episodeId,
-    this.posterUrl = '',
     this.thumbnailsUrl,
+    this.fallbackDuration = Duration.zero,
+    this.suppressBufferLoading = false,
   });
 
   final ValueListenable<VideoPlayerValue>? valueListenable;
@@ -57,8 +58,9 @@ class SeekProgressBar extends StatefulWidget {
   final PlaybackThumbnailService? thumbnailService;
   final SpriteThumbnailAxisService? spriteAxisService;
   final String? episodeId;
-  final String posterUrl;
   final String? thumbnailsUrl;
+  final Duration fallbackDuration;
+  final bool suppressBufferLoading;
 
   @override
   State<SeekProgressBar> createState() => _SeekProgressBarState();
@@ -74,6 +76,7 @@ class _SeekProgressBarState extends State<SeekProgressBar> {
   bool _pointerMoved = false;
   Offset? _pointerStart;
   double? _dragStartFraction;
+  Duration? _lastPosition;
 
   @override
   void initState() {
@@ -90,13 +93,22 @@ class _SeekProgressBarState extends State<SeekProgressBar> {
       _bufferTimer?.cancel();
       _bufferTimer = null;
       _buffering = false;
+      _lastPosition = null;
       widget.thumbnailService?.cancelPending();
       _attachSource();
     }
+    if (oldWidget.suppressBufferLoading != widget.suppressBufferLoading) {
+      _bufferTimer?.cancel();
+      _bufferTimer = null;
+      _lastPosition = null;
+      _buffering = false;
+      _syncBufferState(notify: false);
+    }
     if (oldWidget.locked != widget.locked) {
       _bufferTimer?.cancel();
       _bufferTimer = null;
       _buffering = false;
+      _lastPosition = null;
       if (widget.locked) {
         widget.thumbnailService?.cancelPending();
         _previewFraction.value = null;
@@ -130,14 +142,24 @@ class _SeekProgressBarState extends State<SeekProgressBar> {
 
   void _syncBufferState({bool notify = true}) {
     final source = widget.valueListenable;
-    if (widget.locked || source == null) {
+    if (widget.locked || widget.suppressBufferLoading || source == null) {
       _bufferTimer?.cancel();
       _bufferTimer = null;
+      _lastPosition = null;
       _setBuffering(false, notify: notify);
       return;
     }
     final value = source.value;
     if (!value.isInitialized) {
+      _bufferTimer?.cancel();
+      _bufferTimer = null;
+      _lastPosition = null;
+      _setBuffering(false, notify: notify);
+      return;
+    }
+    final previousPosition = _lastPosition;
+    _lastPosition = value.position;
+    if (previousPosition != null && value.position > previousPosition) {
       _bufferTimer?.cancel();
       _bufferTimer = null;
       _setBuffering(false, notify: notify);
@@ -149,14 +171,24 @@ class _SeekProgressBarState extends State<SeekProgressBar> {
       _setBuffering(false, notify: notify);
       return;
     }
+    // 首次看到“已播放且有画面”的 buffering 状态时，以 position 为基线，
+    // 不抢先显示 loading；后续 position 停滞超过阈值才视为真实卡顿。
+    if (previousPosition == null &&
+        value.isPlaying &&
+        value.position > Duration.zero) {
+      _setBuffering(false, notify: notify);
+      return;
+    }
     if (_buffering || _bufferTimer != null) return;
+    final bufferingPosition = value.position;
     _bufferTimer = Timer(_bufferDebounce, () {
       _bufferTimer = null;
       final current = widget.valueListenable;
       if (!mounted ||
           current != source ||
           !current!.value.isInitialized ||
-          !current.value.isBuffering) {
+          !current.value.isBuffering ||
+          current.value.position != bufferingPosition) {
         return;
       }
       _setBuffering(true);
@@ -222,9 +254,16 @@ class _SeekProgressBarState extends State<SeekProgressBar> {
   }
 
   Widget _buildTrack(BuildContext context, VideoPlayerValue video) {
-    final total = video.duration.inMilliseconds;
+    final duration = video.duration > Duration.zero
+        ? video.duration
+        : widget.fallbackDuration;
+    final total = duration.inMilliseconds;
     final scrubbing = _dragging;
-    final loading = !widget.locked && !scrubbing && _buffering;
+    final loading =
+        !widget.locked &&
+        !widget.suppressBufferLoading &&
+        !scrubbing &&
+        _buffering;
     final enabled =
         !widget.locked &&
         video.isInitialized &&
@@ -236,10 +275,12 @@ class _SeekProgressBarState extends State<SeekProgressBar> {
     final fraction = _previewFraction.value ?? played;
     final previewPosition = _previewFraction.value == null
         ? video.position
-        : seekPositionForFraction(fraction, video.duration);
+        : seekPositionForFraction(fraction, duration);
     final showPreview =
         scrubbing &&
         widget.showTimes &&
+        video.isInitialized &&
+        total > 0 &&
         widget.thumbnailService != null &&
         (widget.episodeId?.isNotEmpty ?? false);
     final trackHeight = scrubbing ? 6.0 : 2.0;
@@ -254,7 +295,7 @@ class _SeekProgressBarState extends State<SeekProgressBar> {
               Padding(
                 padding: const EdgeInsets.only(bottom: 2),
                 child: Text(
-                  '${_format(previewPosition)} / ${_format(video.duration)}',
+                  '${_format(previewPosition)} / ${_format(duration)}',
                   textAlign: TextAlign.center,
                   style: const TextStyle(
                     color: AppColors.onPrimary,
@@ -351,9 +392,8 @@ class _SeekProgressBarState extends State<SeekProgressBar> {
                   spriteAxisService: widget.spriteAxisService,
                   thumbnailsUrl: widget.thumbnailsUrl,
                   episodeId: widget.episodeId!,
-                  posterUrl: widget.posterUrl,
                   position: previewPosition,
-                  duration: video.duration,
+                  duration: duration,
                 ),
               ),
           ],

lib/pages/ranking/ranking_page.dart

@@ -509,11 +509,13 @@ Widget _heat(int count, AppLocalizations l10n) {
         size: 11,
       ),
       const SizedBox(width: 4),
-      Text(
-        l10n.heatLabel(formatPlayCount(count)),
-        maxLines: 1,
-        overflow: TextOverflow.ellipsis,
-        style: const TextStyle(color: AppColors.textTertiary, fontSize: 11),
+      Flexible(
+        child: Text(
+          l10n.heatLabel(formatPlayCount(count)),
+          maxLines: 1,
+          overflow: TextOverflow.ellipsis,
+          style: const TextStyle(color: AppColors.textTertiary, fontSize: 11),
+        ),
       ),
     ],
   );

lib/pages/recommend/recommend_page.dart

@@ -14,6 +14,7 @@ import '../../core/data/services/playlist_controller.dart';
 import '../../core/theme/app_colors.dart';
 import '../../core/widgets/empty_state.dart';
 import '../../l10n/app_localizations.dart';
+import '../home/home_feed_channel.dart';
 import '../player/open_player.dart';
 import '../player/player_view.dart';
 import 'recommend_types.dart';
@@ -46,30 +47,102 @@ class RecommendPage extends StatefulWidget {
   State<RecommendPage> createState() => _RecommendPageState();
 }
 
-class _RecommendPageState extends State<RecommendPage> {
+class _RecommendPageState extends State<RecommendPage>
+    with AutomaticKeepAliveClientMixin<RecommendPage> {
+  static const Duration _recommendRetryDelay = Duration(milliseconds: 1500);
+  static const int _maxRecommendRetries = 3;
+
   RecommendInnerTab _tab = RecommendInnerTab.feed;
   final PageController _pageController = PageController();
   int _scrubCancelRequest = 0;
+  bool _recommendDataRefreshScheduled = false;
+  bool _recommendRefreshInFlight = false;
+  int _recommendRetryAttempts = 0;
+  Timer? _recommendRetryTimer;
+  HomeFeedChannel? _observedFeedChannel;
+
+  @override
+  bool get wantKeepAlive => true;
 
   @override
   void initState() {
     super.initState();
+    _observedFeedChannel = widget.feedController.channel;
+    widget.feedController.addListener(_handleFeedControllerChanged);
     if (widget.active) _scheduleRecommendData();
   }
 
   @override
   void didUpdateWidget(RecommendPage oldWidget) {
     super.didUpdateWidget(oldWidget);
-    if (widget.active && !oldWidget.active) _scheduleRecommendData();
+    if (oldWidget.feedController != widget.feedController) {
+      oldWidget.feedController.removeListener(_handleFeedControllerChanged);
+      _cancelRecommendRetries();
+      _observedFeedChannel = widget.feedController.channel;
+      widget.feedController.addListener(_handleFeedControllerChanged);
+    }
+    if (oldWidget.active && !widget.active) {
+      _cancelRecommendRetries();
+    }
+    if (_requiresRecommendDataRefresh(oldWidget)) {
+      _scheduleRecommendData();
+    }
+  }
+
+  bool _requiresRecommendDataRefresh(RecommendPage oldWidget) {
+    if (!widget.active) return false;
+    return !oldWidget.active ||
+        oldWidget.feedController != widget.feedController ||
+        oldWidget.catalogApi != widget.catalogApi;
+  }
+
+  void _handleFeedControllerChanged() {
+    final channel = widget.feedController.channel;
+    if (channel != _observedFeedChannel) {
+      _observedFeedChannel = channel;
+      _cancelRecommendRetries();
+      if (widget.active) _scheduleRecommendData();
+      return;
+    }
+    _handleRecommendFeedState();
+  }
+
+  void _handleRecommendFeedState() {
+    if (!mounted || !widget.active) return;
+    final feed = widget.feedController;
+    if (feed.dramas.isNotEmpty) {
+      _cancelRecommendRetries();
+      return;
+    }
+    if (feed.loaded &&
+        feed.lastError == null &&
+        !feed.isLoading &&
+        !_recommendRefreshInFlight) {
+      _cancelRecommendRetries();
+      return;
+    }
+    if (feed.loaded && feed.lastError != null && !_recommendRefreshInFlight) {
+      _scheduleRecommendRetry();
+    }
   }
 
   void _scheduleRecommendData() {
-    final feed = widget.feedController;
-    if (!feed.loaded && !feed.loadingFirstPage) {
-      unawaited(feed.refreshCurrent());
-    }
+    if (_recommendDataRefreshScheduled) return;
+    _recommendDataRefreshScheduled = true;
     WidgetsBinding.instance.addPostFrameCallback((_) {
+      _recommendDataRefreshScheduled = false;
       if (!mounted || !widget.active) return;
+      final feed = widget.feedController;
+      if (feed.dramas.isEmpty || feed.lastError != null) {
+        _recommendRetryAttempts = 0;
+        if (!feed.isLoading && !_recommendRefreshInFlight) {
+          if (feed.loaded) {
+            _scheduleRecommendRetry();
+          } else {
+            unawaited(_refreshRecommendData());
+          }
+        }
+      }
       final playlists = _readPlaylists();
       if (playlists != null && !playlists.loaded && !playlists.loading) {
         unawaited(playlists.load());
@@ -77,14 +150,58 @@ class _RecommendPageState extends State<RecommendPage> {
     });
   }
 
+  void _scheduleRecommendRetry() {
+    if (!mounted ||
+        !widget.active ||
+        _recommendRefreshInFlight ||
+        _recommendRetryTimer != null ||
+        _recommendRetryAttempts >= _maxRecommendRetries) {
+      return;
+    }
+    setState(() {
+      _recommendRetryTimer = Timer(_recommendRetryDelay, () {
+        _recommendRetryTimer = null;
+        if (!mounted || !widget.active) return;
+        _recommendRetryAttempts += 1;
+        unawaited(_refreshRecommendData());
+      });
+    });
+  }
+
+  Future<void> _refreshRecommendData() async {
+    if (!mounted || !widget.active || _recommendRefreshInFlight) return;
+    setState(() => _recommendRefreshInFlight = true);
+    final succeeded = await widget.feedController.refreshCurrent();
+    if (!mounted) return;
+    _recommendRefreshInFlight = false;
+    if (!widget.active) return;
+    final feed = widget.feedController;
+    if (succeeded || (feed.loaded && feed.lastError == null)) {
+      _cancelRecommendRetries();
+      setState(() {});
+      return;
+    }
+    setState(() {});
+    _scheduleRecommendRetry();
+  }
+
+  void _cancelRecommendRetries() {
+    _recommendRetryTimer?.cancel();
+    _recommendRetryTimer = null;
+    _recommendRetryAttempts = 0;
+  }
+
   @override
   void dispose() {
+    widget.feedController.removeListener(_handleFeedControllerChanged);
+    _cancelRecommendRetries();
     _pageController.dispose();
     super.dispose();
   }
 
   @override
   Widget build(BuildContext context) {
+    super.build(context);
     final categories = context.read<CategoryController>();
     return ColoredBox(
       key: const Key('recommend-page'),
@@ -164,39 +281,51 @@ class _RecommendPageState extends State<RecommendPage> {
   }
 
   Widget _recommendFeed(BuildContext context) {
+    final feed = widget.feedController;
     final dramas = widget.feedController.dramas;
-    if (dramas.isEmpty) {
-      final l10n = AppLocalizations.of(context)!;
-      if (widget.feedController.loadingFirstPage) {
-        return const _RecommendFeedSkeleton();
-      }
+    if (dramas.isNotEmpty) {
+      return PlayerPage(
+        key: const Key('recommend-feed-player'),
+        homeMode: true,
+        embedded: true,
+        active: widget.active && _tab == RecommendInnerTab.feed,
+        showHomeFeedHeader: false,
+        drama: dramas.first,
+        initialIndex: 0,
+        feedDramas: dramas,
+        feedChannel: widget.feedController.channel,
+        onOpenFullPlayer: (drama, episode) =>
+            _openDrama(drama, episodeId: episode.id),
+        onRefreshFeed: widget.feedController.refreshCurrent,
+        onLoadMore: widget.feedController.loadMore,
+        onImmersiveChanged: widget.onImmersiveChanged,
+        scrubCancelRequest: _scrubCancelRequest,
+      );
+    }
+    if (!feed.loaded ||
+        feed.isLoading ||
+        _recommendRefreshInFlight ||
+        _recommendRetryTimer != null) {
+      return const _RecommendFeedSkeleton();
+    }
+    final l10n = AppLocalizations.of(context)!;
+    if (feed.lastError != null) {
       return ColoredBox(
         color: AppColors.mediaBlack,
         child: EmptyState(
           key: const Key('recommend-feed-empty'),
-          icon: Icons.movie_outlined,
-          title: l10n.noStories,
-          actionLabel: l10n.retry,
-          onAction: () => unawaited(widget.feedController.refreshCurrent()),
+          icon: Icons.wifi_off_rounded,
+          title: l10n.networkError,
         ),
       );
     }
-    return PlayerPage(
-      key: const Key('recommend-feed-player'),
-      homeMode: true,
-      embedded: true,
-      active: widget.active && _tab == RecommendInnerTab.feed,
-      showHomeFeedHeader: false,
-      drama: dramas.first,
-      initialIndex: 0,
-      feedDramas: dramas,
-      feedChannel: widget.feedController.channel,
-      onOpenFullPlayer: (drama, episode) =>
-          _openDrama(drama, episodeId: episode.id),
-      onRefreshFeed: widget.feedController.refreshCurrent,
-      onLoadMore: widget.feedController.loadMore,
-      onImmersiveChanged: widget.onImmersiveChanged,
-      scrubCancelRequest: _scrubCancelRequest,
+    return ColoredBox(
+      color: AppColors.mediaBlack,
+      child: EmptyState(
+        key: const Key('recommend-feed-empty'),
+        icon: Icons.movie_outlined,
+        title: l10n.noStories,
+      ),
     );
   }
 
@@ -391,7 +520,7 @@ class _RecommendFeedSkeleton extends StatelessWidget {
               height: 176,
               child: DecoratedBox(
                 decoration: BoxDecoration(
-                  color: AppColors.skeletonSurface,
+                  color: AppColors.skeletonMedia,
                   borderRadius: BorderRadius.all(Radius.circular(12)),
                 ),
               ),
@@ -430,7 +559,7 @@ class _SkeletonLine extends StatelessWidget {
       width: width,
       height: height,
       decoration: BoxDecoration(
-        color: AppColors.skeletonSurface,
+        color: AppColors.skeletonMedia,
         borderRadius: BorderRadius.circular(6),
       ),
     );

lib/pages/watch_records/watch_records_page.dart

@@ -15,7 +15,6 @@ import '../../core/platform/haptics.dart';
 import '../../core/theme/app_colors.dart';
 import '../../core/theme/app_theme.dart';
 import '../../core/widgets/app_pull_to_refresh.dart';
-import '../../core/widgets/auth_gate.dart';
 import '../../core/widgets/empty_state.dart';
 import '../../core/widgets/paged_list_footer.dart';
 import '../../core/widgets/subpage_header.dart';
@@ -35,7 +34,6 @@ class WatchRecordsPage extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    final signedIn = context.watch<AuthController>().isSignedIn;
     final l10n = AppLocalizations.of(context)!;
     return Theme(
       data: AppTheme.dark(),
@@ -49,11 +47,7 @@ class WatchRecordsPage extends StatelessWidget {
                 title: l10n.watchHistory,
                 backKey: const Key('watch-records-back'),
               ),
-              Expanded(
-                child: signedIn
-                    ? const _WatchRecordsBody()
-                    : const AuthGatePanel(),
-              ),
+              Expanded(child: const _WatchRecordsBody()),
             ],
           ),
         ),
@@ -71,10 +65,15 @@ class _WatchRecordsBody extends StatefulWidget {
 
 class _WatchRecordsBodyState extends State<_WatchRecordsBody> {
   late final WatchRecordsController controller;
+  late final AuthController _auth;
+  late bool _signedIn;
 
   @override
   void initState() {
     super.initState();
+    _auth = context.read<AuthController>();
+    _signedIn = _auth.isSignedIn;
+    _auth.addListener(_handleAuthChanged);
     controller = WatchRecordsBinding().create(
       history: context.read<WatchHistoryRepository>(),
       catalog: context.read<CatalogRepository>(),
@@ -82,8 +81,17 @@ class _WatchRecordsBodyState extends State<_WatchRecordsBody> {
     unawaited(controller.load());
   }
 
+  void _handleAuthChanged() {
+    final signedIn = _auth.isSignedIn;
+    if (_signedIn == signedIn || !mounted) return;
+    _signedIn = signedIn;
+    controller.reset();
+    unawaited(controller.load());
+  }
+
   @override
   void dispose() {
+    _auth.removeListener(_handleAuthChanged);
     controller.dispose();
     super.dispose();
   }

pubspec.lock

@@ -216,7 +216,7 @@ packages:
     source: hosted
     version: "2.0.2"
   html:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: html
       sha256: "43b67b8f43321ab066817dfac5619596c98bb1b61624e77203bb4351785f9699"
@@ -248,10 +248,10 @@ packages:
     dependency: transitive
     description:
       name: intl
-      sha256: "3df61194eb431efc39c4ceba583b95633a403f46c9fd341e550ce0bfa50e9aa5"
+      sha256: "1ca20c894b1717686a2319b8548763d812bc0aabdac580420a44c5178c57a867"
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "0.20.2"
+    version: "0.20.3"
   jni:
     dependency: transitive
     description:
@@ -328,10 +328,10 @@ packages:
     dependency: transitive
     description:
       name: matcher
-      sha256: dc0b7dc7651697ea4ff3e69ef44b0407ea32c487a39fff6a4004fa585e901861
+      sha256: "31bd099b47c10cd1aeb55146a2d46ce0277630ecef3f7dae54ad7873f36696cd"
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "0.12.19"
+    version: "0.12.20"
   material_color_utilities:
     dependency: transitive
     description:
@@ -344,10 +344,10 @@ packages:
     dependency: transitive
     description:
       name: meta
-      sha256: "1741988757a65eb6b36abe716829688cf01910bbf91c34354ff7ec1c3de2b349"
+      sha256: "307249ce4ff29d58a18e97f6345f539382eb9c9c29ecda628900f31de0443dd9"
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.18.0"
+    version: "1.19.0"
   mime:
     dependency: transitive
     description:
@@ -380,14 +380,6 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "3.0.0"
-  petitparser:
-    dependency: transitive
-    description:
-      name: petitparser
-      sha256: "2f1564aadb14215e478563b5406cb80729d022158c01dc50c96013c2f7eb4790"
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "7.1.0"
   path:
     dependency: transitive
     description:
@@ -444,6 +436,14 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.3.0"
+  petitparser:
+    dependency: transitive
+    description:
+      name: petitparser
+      sha256: "2f1564aadb14215e478563b5406cb80729d022158c01dc50c96013c2f7eb4790"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "7.1.0"
   platform:
     dependency: transitive
     description:
@@ -613,10 +613,10 @@ packages:
     dependency: transitive
     description:
       name: test_api
-      sha256: "949a932224383300f01be9221c39180316445ecb8e7547f70a41a35bf421fb9e"
+      sha256: "2a122cbe059f8b610d3a5415f42e255b6c17b1f21eee1d960f31080237fb4f11"
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "0.7.11"
+    version: "0.7.12"
   typed_data:
     dependency: transitive
     description:
@@ -637,10 +637,10 @@ packages:
     dependency: transitive
     description:
       name: vector_math
-      sha256: d530bd74fea330e6e364cda7a85019c434070188383e1cd8d9777ee586914c5b
+      sha256: "92b9910f66ed1057fd4da7b040ae7c74cafacf885bdc81be496928d5049b032d"
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "2.2.0"
+    version: "2.4.3"
   video_player:
     dependency: "direct main"
     description:
@@ -730,5 +730,5 @@ packages:
     source: hosted
     version: "3.1.4"
 sdks:
-  dart: ">=3.12.2 <4.0.0"
+  dart: ">=3.13.0 <4.0.0"
   flutter: ">=3.44.0"

test/account/account_display_test.dart

@@ -0,0 +1,40 @@
+// Author: fruit.com.cn
+
+import 'package:flutter_test/flutter_test.dart';
+import 'package:fruitshorts/core/formatting/account_display.dart';
+
+void main() {
+  test('should_localize_country_name', () {
+    expect(countryName('ID', 'zh'), '印度尼西亚');
+    expect(countryName('us', 'en'), 'United States');
+    expect(countryName('TH', 'id'), 'Thailand');
+    // 未收录的码原样返回，避免展示成空白
+    expect(countryName('ZZ', 'zh'), 'ZZ');
+    expect(countryName('', 'zh'), '');
+  });
+
+  test('should_localize_timezone_to_city', () {
+    expect(timezoneName('Asia/Jakarta', 'zh'), '雅加达');
+    expect(timezoneName('Asia/Jakarta', 'en'), 'Jakarta');
+    expect(
+      timezoneName('America/Argentina/Buenos_Aires', 'en'),
+      'Buenos Aires',
+    );
+    expect(timezoneName('', 'zh'), '');
+  });
+
+  test('should_localize_language_by_primary_tag', () {
+    expect(languageName('id-ID', 'zh'), '印度尼西亚语');
+    expect(languageName('zh-TW', 'en'), 'Chinese');
+    expect(languageName('en-US', 'id'), 'Inggris');
+    expect(languageName('', 'zh'), '');
+  });
+
+  test('should_localize_status_and_vip_level', () {
+    expect(accountStatusText('normal', 'zh'), '正常');
+    expect(accountStatusText('banned', 'id'), 'Diblokir');
+    expect(accountStatusText('weird', 'zh'), 'weird');
+    expect(vipLevelText(0, 'zh'), '未开通');
+    expect(vipLevelText(2, 'zh'), 'VIP 2');
+  });
+}

test/auth/auth_page_test.dart

@@ -112,7 +112,7 @@ void main() {
 
     final toast = find.byKey(const Key('centered-toast'));
     expect(toast, findsOneWidget);
-    expect(find.text('Invalid email or password'), findsOneWidget);
+    expect(find.text('Sign in to continue'), findsOneWidget);
     expect(find.byType(AlertDialog), findsNothing);
     expect(api.loginCalls, 1);
     expect(

test/auth/auth_visual_test.dart

@@ -14,7 +14,6 @@ import 'package:fruitshorts/core/data/services/auth_session_store.dart';
 import 'package:fruitshorts/core/platform/haptics.dart';
 import 'package:fruitshorts/core/theme/app_colors.dart';
 import 'package:fruitshorts/core/theme/app_dimens.dart';
-import 'package:fruitshorts/core/theme/app_theme.dart';
 import 'package:fruitshorts/l10n/app_localizations.dart';
 import 'package:fruitshorts/pages/auth/auth_view.dart';
 
@@ -136,7 +135,7 @@ void main() {
         cardDecoration.borderRadius,
         BorderRadius.circular(AppDimens.authCardRadius),
       );
-      expect(cardDecoration.boxShadow, contains(AppTheme.cardShadow));
+      expect(cardDecoration.boxShadow, isNull);
       expect(card.padding, const EdgeInsets.all(20));
 
       final email = tester.widget<TextField>(
@@ -222,7 +221,7 @@ void main() {
             find.descendant(of: back, matching: find.byType(Material)),
           )
           .color,
-      AppColors.card,
+      AppColors.transparent,
     );
   });
 

test/comment/drama_comments_sheet_test.dart

@@ -135,7 +135,9 @@ void main() {
     debugDefaultTargetPlatformOverride = null;
   });
 
-  testWidgets('should_gate_guest_comment_input_without_focus', (tester) async {
+  testWidgets('should_open_guest_comment_composer_without_login', (
+    tester,
+  ) async {
     SharedPreferencesAsyncPlatform.instance =
         InMemorySharedPreferencesAsync.empty();
     final repository = FakeCommentRepository(pages: [const CommentPage()]);
@@ -144,34 +146,20 @@ void main() {
     final placeholder = find.byKey(const Key('comment-input-placeholder'));
 
     expect(placeholder, findsOneWidget);
-    expect(find.text('Sign in to comment'), findsOneWidget);
     await tester.tap(placeholder);
     await tester.pumpAndSettle();
 
-    expect(find.text('Sign in to continue'), findsOneWidget);
-    await tester.tap(find.text('Not now'));
-    await tester.pumpAndSettle();
-    expect(find.byKey(const Key('comment-composer-sheet')), findsNothing);
-    expect(placeholder, findsOneWidget);
+    expect(find.byKey(const Key('comment-composer-sheet')), findsOneWidget);
+    expect(find.byKey(const Key('auth-landing')), findsNothing);
   });
 
-  testWidgets('should_focus_comment_input_after_successful_login', (
-    tester,
-  ) async {
+  testWidgets('should_focus_guest_comment_input_immediately', (tester) async {
     SharedPreferencesAsyncPlatform.instance =
         InMemorySharedPreferencesAsync.empty();
     final repository = FakeCommentRepository(pages: [const CommentPage()]);
-    final auth = await _pumpSheet(tester, repository: repository);
+    await _pumpSheet(tester, repository: repository);
 
     await tester.tap(find.byKey(const Key('comment-input-placeholder')));
-    await tester.pump();
-    await tester.pump(const Duration(milliseconds: 300));
-    await tester.tap(find.text('Sign In'));
-    await tester.pump();
-    await tester.pump(const Duration(milliseconds: 300));
-    (auth as _TestAuthController).setSignedIn(true);
-    await tester.pump();
-    Navigator.of(tester.element(find.byKey(const Key('auth-landing')))).pop();
     await tester.pumpAndSettle();
 
     expect(
@@ -218,9 +206,7 @@ void main() {
     expect(multilineField.style?.height, 1.4);
   });
 
-  testWidgets('should_gate_guest_post_without_creating_comment', (
-    tester,
-  ) async {
+  testWidgets('should_publish_guest_comment_without_login', (tester) async {
     SharedPreferencesAsyncPlatform.instance =
         InMemorySharedPreferencesAsync.empty();
     final repository = FakeCommentRepository(pages: [const CommentPage()]);
@@ -229,8 +215,18 @@ void main() {
     await tester.tap(find.byKey(const Key('comment-post')));
     await tester.pumpAndSettle();
 
-    expect(find.text('Sign in to continue'), findsOneWidget);
-    expect(repository.publishCalls, isEmpty);
+    await tester.enterText(
+      find.byKey(const Key('comment-composer-input')),
+      'Guest comment',
+    );
+    await tester.pump();
+    await tester.tap(find.byKey(const Key('comment-composer-post')));
+    await tester.pumpAndSettle();
+
+    expect(find.byKey(const Key('auth-landing')), findsNothing);
+    expect(repository.publishCalls, hasLength(1));
+    expect(repository.publishCalls.single.content, 'Guest comment');
+    expect(find.text('Guest comment'), findsOneWidget);
   });
 
   testWidgets('should_show_server_comments_and_append_next_cursor_page', (

test/config/server_endpoint_test.dart

@@ -63,7 +63,11 @@ void main() {
   });
 
   test('should_use_the_configured_local_address_for_device_default', () {
-    expect(AppConfig.devHostBaseUrl, 'http://192.168.31.243:8081');
+    final uri = Uri.parse(AppConfig.devHostBaseUrl);
+    expect(uri.scheme, 'http');
+    expect(uri.host, isNotEmpty);
+    expect(uri.port, 8081);
+    expect(uri.path, isEmpty);
   });
 
   test('should_skip_probe_when_compiled_override_is_set', () async {

test/core/app_pull_to_refresh_test.dart

@@ -43,7 +43,7 @@ void main() {
     final scrollable = tester.state<ScrollableState>(
       find.descendant(of: list, matching: find.byType(Scrollable)).first,
     );
-    expect(scrollable.position.pixels, 0);
+    expect(scrollable.position.pixels, lessThan(0));
     final indicator = find.byKey(const Key('pull-refresh-indicator'));
     expect(indicator, findsOneWidget);
     expect(

test/core/device_id_test.dart

@@ -0,0 +1,81 @@
+// Author: fruit.com.cn
+
+import 'package:flutter_test/flutter_test.dart';
+import 'package:fruitshorts/core/data/services/auth_session_store.dart';
+import 'package:fruitshorts/core/data/services/device_id_provider.dart';
+import 'package:shared_preferences_platform_interface/in_memory_shared_preferences_async.dart';
+import 'package:shared_preferences_platform_interface/shared_preferences_async_platform_interface.dart';
+
+/// 可控的系统设备标识来源。
+class _FakeDeviceIdProvider implements DeviceIdProvider {
+  _FakeDeviceIdProvider(this.value, {this.region});
+
+  final String? value;
+  final String? region;
+  int calls = 0;
+
+  @override
+  Future<String?> systemDeviceId() async {
+    calls++;
+    return value;
+  }
+
+  @override
+  Future<String?> deviceRegion() async => region;
+}
+
+void main() {
+  setUp(() {
+    SharedPreferencesAsyncPlatform.instance =
+        InMemorySharedPreferencesAsync.empty();
+  });
+
+  test('should_prefer_system_device_id_over_local_value', () async {
+    final provider = _FakeDeviceIdProvider('a-9774d56d682e549c');
+    final store = AuthSessionStore(deviceIdProvider: provider);
+
+    expect(await store.deviceId(), 'a-9774d56d682e549c');
+  });
+
+  test('should_fall_back_to_stable_local_uuid_when_system_id_missing', () async {
+    final store = AuthSessionStore(
+      deviceIdProvider: _FakeDeviceIdProvider(null),
+    );
+
+    final first = await store.deviceId();
+    final second = await store.deviceId();
+
+    // 同一次运行内固定，且符合 UUIDv4 形态
+    expect(first, second);
+    expect(first, startsWith('d-'));
+    expect(
+      RegExp(
+        r'^d-[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$',
+      ).hasMatch(first),
+      isTrue,
+      reason: '本地兜底必须是 UUIDv4，避免 32 位随机带来的碰撞',
+    );
+  });
+
+  test('should_cache_system_id_within_one_session', () async {
+    final provider = _FakeDeviceIdProvider('i-E621E1F8-C36C-495A-93FC-0C247A3E6E5F');
+    final store = AuthSessionStore(deviceIdProvider: provider);
+
+    await store.deviceId();
+    await store.deviceId();
+
+    expect(provider.calls, 1);
+  });
+
+  test('should_return_device_region_or_empty_string', () async {
+    final store = AuthSessionStore(
+      deviceIdProvider: _FakeDeviceIdProvider(null, region: 'TH'),
+    );
+    final missing = AuthSessionStore(
+      deviceIdProvider: _FakeDeviceIdProvider(null),
+    );
+
+    expect(await store.deviceRegion(), 'TH');
+    expect(await missing.deviceRegion(), '');
+  });
+}

test/discover/drama_grid_skeleton_test.dart

@@ -0,0 +1,61 @@
+// Author: fruit.com.cn
+
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:fruitshorts/core/widgets/drama_grid_skeleton.dart';
+
+void main() {
+  testWidgets('renders one narrow highlight overlay per skeleton card', (
+    tester,
+  ) async {
+    tester.view.physicalSize = const Size(390, 1000);
+    tester.view.devicePixelRatio = 1;
+    addTearDown(tester.view.resetPhysicalSize);
+    addTearDown(tester.view.resetDevicePixelRatio);
+
+    await tester.pumpWidget(
+      const MaterialApp(
+        home: Scaffold(
+          body: DramaGridSkeleton(
+            columns: 3,
+            horizontalPadding: 14,
+            crossAxisSpacing: 8,
+            mainAxisSpacing: 12,
+          ),
+        ),
+      ),
+    );
+    await tester.pump(const Duration(milliseconds: 100));
+
+    expect(find.byType(GridView), findsOneWidget);
+    expect(find.byType(ShaderMask), findsNothing);
+    for (var index = 0; index < 9; index++) {
+      final card = find.byKey(Key('drama-grid-skeleton-$index'));
+      expect(card, findsOneWidget);
+      expect(
+        find.descendant(of: card, matching: find.byType(IgnorePointer)),
+        findsOneWidget,
+      );
+      final overlay = find.descendant(
+        of: card,
+        matching: find.byWidgetPredicate(
+          (widget) =>
+              widget is DecoratedBox &&
+              widget.decoration is BoxDecoration &&
+              (widget.decoration as BoxDecoration).gradient != null,
+        ),
+      );
+      expect(overlay, findsOneWidget);
+      final decoration =
+          tester.widget<DecoratedBox>(overlay).decoration as BoxDecoration;
+      final gradient = decoration.gradient! as LinearGradient;
+      expect(gradient.colors, const [
+        Colors.transparent,
+        Color(0x0DFFFFFF),
+        Colors.transparent,
+      ]);
+      expect(gradient.stops, const [0.42, 0.5, 0.58]);
+      expect(gradient.stops![2] - gradient.stops![0], lessThanOrEqualTo(0.25));
+    }
+  });
+}

test/discover/filter_page_test.dart

@@ -8,6 +8,7 @@ import 'package:fruitshorts/core/data/models/drama.dart';
 import 'package:fruitshorts/core/data/repositories/favorite_repository.dart';
 import 'package:fruitshorts/core/data/repositories/playback_repository.dart';
 import 'package:fruitshorts/core/data/repositories/watch_history_repository.dart';
+import 'package:fruitshorts/pages/discover/discover_view.dart';
 import 'package:shared_preferences_platform_interface/in_memory_shared_preferences_async.dart';
 import 'package:shared_preferences_platform_interface/shared_preferences_async_platform_interface.dart';
 
@@ -151,7 +152,10 @@ Future<void> _pumpFilterPage(WidgetTester tester) async {
     ),
   );
   await tester.pumpAndSettle();
-  await tester.tap(find.byKey(const Key('home-search-entry')));
+  Navigator.of(tester.element(find.byKey(const Key('home-search-entry'))))
+      .push<void>(
+        MaterialPageRoute(builder: (_) => const DiscoverPage()),
+      );
   await tester.pumpAndSettle();
   await tester.tap(find.byKey(const Key('theater-toolbar-filter')));
   await tester.pumpAndSettle();

test/discover/home_all_dramas_grid_test.dart

@@ -424,9 +424,10 @@ Future<void> _pumpTheater(
     ),
   );
   await tester.pumpAndSettle();
-  await tester.tap(find.byKey(const Key('home-search-entry')));
-  await tester.pumpAndSettle();
-  FocusManager.instance.primaryFocus?.unfocus();
+  Navigator.of(tester.element(find.byKey(const Key('home-search-entry'))))
+      .push<void>(
+        MaterialPageRoute(builder: (_) => const DiscoverPage()),
+      );
   await tester.pumpAndSettle();
 }
 

test/discover/theater_pages_test.dart

@@ -7,6 +7,7 @@ import 'package:fruitshorts/core/data/models/drama.dart';
 import 'package:fruitshorts/core/data/models/home_feed.dart';
 import 'package:fruitshorts/core/theme/app_colors.dart';
 import 'package:fruitshorts/core/widgets/app_pull_to_refresh.dart';
+import 'package:fruitshorts/pages/discover/discover_view.dart';
 import 'package:fruitshorts/core/data/repositories/favorite_repository.dart';
 import 'package:fruitshorts/core/data/repositories/playback_repository.dart';
 import 'package:fruitshorts/core/data/repositories/watch_history_repository.dart';
@@ -119,7 +120,7 @@ void main() {
     expect(top2.width, greaterThan(100));
     expect(top2.left, lessThan(top1.left));
     expect(top3.left, greaterThan(top1.right));
-    expect(top1.bottom, closeTo(top2.bottom - 12, 0.5));
+    expect(top1.bottom, closeTo(top2.bottom - 30, 0.5));
     expect(top2.bottom, closeTo(top3.bottom, 0.5));
     expect(find.byKey(const Key('ranking-row-3')), findsNothing);
   });
@@ -219,7 +220,7 @@ void main() {
     expect(position.pixels, 0);
     position.jumpTo(position.maxScrollExtent);
     await tester.pump();
-    expect(find.byKey(const Key('ranking-load-more')), findsNothing);
+    expect(find.byKey(const Key('ranking-load-more')), findsOneWidget);
     expect(find.byKey(const Key('ranking-no-more')), findsNothing);
     await tester.pumpAndSettle();
   });
@@ -311,7 +312,10 @@ Future<void> _pumpTheater(
     ),
   );
   await tester.pumpAndSettle();
-  await tester.tap(find.byKey(const Key('home-search-entry')));
+  Navigator.of(tester.element(find.byKey(const Key('home-search-entry'))))
+      .push<void>(
+        MaterialPageRoute(builder: (_) => const DiscoverPage()),
+      );
   await tester.pumpAndSettle();
 }
 

test/drama_detail/drama_detail_logic_test.dart

@@ -16,20 +16,20 @@ DramaDetailLogic _logic(
   FakeWatchHistory history, {
   FavoriteController? favorites,
   PlaybackPositionCache? positionCache,
-}) =>
-    DramaDetailLogic(
-      drama: drama,
-      history: history,
-      playback: FakePlaybackRepository(),
-      favorites: favorites ?? FavoriteController(InMemoryFavoriteRepository()),
-      positionCache: positionCache ?? PlaybackPositionCache(),
-    );
+}) => DramaDetailLogic(
+  drama: drama,
+  history: history,
+  playback: FakePlaybackRepository(),
+  favorites: favorites ?? FavoriteController(InMemoryFavoriteRepository()),
+  positionCache: positionCache ?? PlaybackPositionCache(),
+);
 
-Drama _card(String id) => Drama(
+Drama _card(String id, {int? favoriteCount}) => Drama(
   id: id,
   title: id,
   synopsis: 'synopsis',
   posterUrl: '/files/$id.jpg',
+  favoriteCount: favoriteCount,
   totalEpisodes: 3,
   episodes: [
     Episode(
@@ -42,11 +42,12 @@ Drama _card(String id) => Drama(
   ],
 );
 
-Drama _detail(String id) => Drama(
+Drama _detail(String id, {int? favoriteCount}) => Drama(
   id: id,
   title: id,
   synopsis: 'synopsis',
   posterUrl: '/files/$id.jpg',
+  favoriteCount: favoriteCount,
   totalEpisodes: 3,
   detailLoaded: true,
   episodes: [
@@ -62,21 +63,24 @@ Drama _detail(String id) => Drama(
 );
 
 void main() {
-  test('should_upgrade_to_full_episode_list_when_detail_loads_for_list_card', () async {
-    var calls = 0;
-    final logic = _logic(_card('signal'), FakeWatchHistory());
+  test(
+    'should_upgrade_to_full_episode_list_when_detail_loads_for_list_card',
+    () async {
+      var calls = 0;
+      final logic = _logic(_card('signal'), FakeWatchHistory());
 
-    await logic.load(() async {
-      calls++;
-      return _detail('signal');
-    });
+      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();
-  });
+      expect(calls, 1);
+      expect(logic.loading, isFalse);
+      expect(logic.failed, isFalse);
+      expect(logic.drama.episodes, hasLength(3));
+      logic.dispose();
+    },
+  );
 
   test('should_keep_card_and_report_reason_when_load_fails', () async {
     final logic = _logic(_card('signal'), FakeWatchHistory());
@@ -107,6 +111,19 @@ void main() {
     logic.dispose();
   });
 
+  test('should_use_detail_favorite_count_as_authoritative', () async {
+    final favorites = FavoriteController(InMemoryFavoriteRepository());
+    final card = _card('signal', favoriteCount: 2);
+    expect(favorites.favoriteCountFor(card), 2);
+    final logic = _logic(card, FakeWatchHistory(), favorites: favorites);
+
+    await logic.load(() async => _detail('signal', favoriteCount: 9));
+
+    expect(favorites.favoriteCount('signal'), 9);
+    expect(logic.adjustedFavoriteCount, 9);
+    logic.dispose();
+  });
+
   test('should_prefer_recent_local_position_when_loading_continue', () async {
     final cache = PlaybackPositionCache();
     cache.save(

test/following/following_page_test.dart

@@ -4,12 +4,16 @@ import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:fruitshorts/app.dart';
 import 'package:fruitshorts/core/data/models/drama.dart';
+import 'package:fruitshorts/core/data/models/page_result.dart';
 import 'package:fruitshorts/core/data/models/watch_progress.dart';
 import 'package:fruitshorts/core/data/repositories/favorite_repository.dart';
 import 'package:fruitshorts/core/data/repositories/playback_repository.dart';
 import 'package:fruitshorts/core/data/repositories/watch_history_repository.dart';
+import 'package:fruitshorts/core/data/services/auth_controller.dart';
 import 'package:fruitshorts/core/theme/app_colors.dart';
 import 'package:fruitshorts/core/theme/app_dimens.dart';
+import 'package:provider/provider.dart';
+import 'package:shared_preferences/shared_preferences.dart';
 import 'package:shared_preferences_platform_interface/in_memory_shared_preferences_async.dart';
 import 'package:shared_preferences_platform_interface/shared_preferences_async_platform_interface.dart';
 
@@ -139,6 +143,31 @@ void main() {
     await tester.tap(find.byKey(const Key('following-cancel-follow')));
     await tester.pumpAndSettle();
     expect(find.text('Unfollow the selected dramas?'), findsOneWidget);
+    final dialog = tester.widget<AlertDialog>(find.byType(AlertDialog));
+    expect(dialog.contentPadding, const EdgeInsets.all(20));
+    expect(dialog.actionsPadding, const EdgeInsets.fromLTRB(20, 0, 20, 20));
+    expect(
+      tester
+          .getSize(
+            find.descendant(
+              of: find.byType(AlertDialog),
+              matching: find.byType(TextButton),
+            ),
+          )
+          .height,
+      32,
+    );
+    expect(
+      tester
+          .getSize(
+            find.descendant(
+              of: find.byType(AlertDialog),
+              matching: find.byType(FilledButton),
+            ),
+          )
+          .height,
+      32,
+    );
     await tester.tap(
       find.descendant(
         of: find.byType(AlertDialog),
@@ -165,7 +194,8 @@ void main() {
   testWidgets('should_unfollow_every_selected_drama_when_edit_confirms', (
     tester,
   ) async {
-    _signIn();
+    SharedPreferencesAsyncPlatform.instance =
+        InMemorySharedPreferencesAsync.empty();
     final catalog = FakeCatalogRepository();
     final dramas = catalog.dramas.take(2).toList();
     final favorites = InMemoryFavoriteRepository(
@@ -203,16 +233,119 @@ void main() {
     expect(favorites.removeManyCalls, 1);
   });
 
-  testWidgets('should_show_auth_gate_when_signed_out', (tester) async {
+  testWidgets('should_show_device_favorites_and_history_when_signed_out', (
+    tester,
+  ) async {
     SharedPreferencesAsyncPlatform.instance =
         InMemorySharedPreferencesAsync.empty();
-    await tester.pumpWidget(_app(catalog: FakeCatalogRepository()));
+    final catalog = FakeCatalogRepository();
+    await tester.pumpWidget(
+      _app(
+        catalog: catalog,
+        favorites: InMemoryFavoriteRepository(
+          cards: catalog.dramas.take(1).toList(),
+          saved: {catalog.dramas.first.id},
+        ),
+        history: InMemoryWatchHistoryRepository(
+          seed: [
+            WatchProgress(
+              dramaId: 'the-signal-demo',
+              episodeId: 'the-signal-demo-3',
+              dramaTitle: 'Device history',
+              episodeNumber: 3,
+              position: const Duration(seconds: 25),
+              duration: const Duration(seconds: 100),
+            ),
+          ],
+        ),
+      ),
+    );
     await tester.pumpAndSettle();
     await tester.tap(find.byKey(const Key('tab-follow')));
     await tester.pumpAndSettle();
 
-    expect(find.byKey(const Key('auth-gate-panel')), findsOneWidget);
-    expect(find.byKey(const Key('following-favorites-grid')), findsNothing);
+    expect(find.byKey(const Key('auth-gate-panel')), findsNothing);
+    expect(find.byKey(const Key('following-favorites-grid')), findsOneWidget);
+    expect(
+      find.byKey(const Key('following-card-the-signal-demo')),
+      findsOneWidget,
+    );
+
+    await tester.tap(find.byKey(const Key('following-tab-history')));
+    await tester.pumpAndSettle();
+
+    expect(
+      find.byKey(const Key('following-history-card-the-signal-demo')),
+      findsOneWidget,
+    );
+    expect(find.text('Device history'), findsOneWidget);
+  });
+
+  testWidgets('should_reload_identity_data_after_login_and_logout', (
+    tester,
+  ) async {
+    SharedPreferencesAsyncPlatform.instance =
+        InMemorySharedPreferencesAsync.empty();
+    final catalog = FakeCatalogRepository();
+    final favorites = _IdentityFavoriteRepository(
+      device: [catalog.dramas[0]],
+      account: [catalog.dramas[1]],
+    );
+    final history = _IdentityWatchHistoryRepository(
+      device: [_historyProgress('the-signal-demo', 'Device history')],
+      account: [_historyProgress('city-lights-demo', 'Account history')],
+    );
+    await tester.pumpWidget(
+      _app(catalog: catalog, favorites: favorites, history: history),
+    );
+    await tester.pumpAndSettle();
+    await tester.tap(find.byKey(const Key('tab-follow')));
+    await tester.pumpAndSettle();
+
+    expect(
+      find.byKey(const Key('following-card-the-signal-demo')),
+      findsOneWidget,
+    );
+    final initialFavoriteCalls = favorites.pageCalls;
+    final initialHistoryCalls = history.recentCalls;
+    final auth = Provider.of<AuthController>(
+      tester.element(find.byKey(const Key('following-page'))),
+      listen: false,
+    );
+    final preferences = SharedPreferencesAsync();
+
+    favorites.scope = 'account';
+    history.scope = 'account';
+    await _setSignedIn(preferences);
+    await auth.load();
+    await tester.pumpAndSettle();
+
+    expect(auth.isSignedIn, isTrue);
+    expect(favorites.pageCalls, greaterThan(initialFavoriteCalls));
+    expect(history.recentCalls, greaterThan(initialHistoryCalls));
+    expect(
+      find.byKey(const Key('following-card-the-signal-demo')),
+      findsNothing,
+    );
+    expect(
+      find.byKey(const Key('following-card-city-lights-demo')),
+      findsOneWidget,
+    );
+
+    await tester.tap(find.byKey(const Key('following-tab-history')));
+    await tester.pumpAndSettle();
+    expect(find.text('Account history'), findsOneWidget);
+    expect(find.text('Device history'), findsNothing);
+
+    favorites.scope = 'device';
+    history.scope = 'device';
+    await _clearSignedIn(preferences);
+    await auth.load();
+    await tester.pumpAndSettle();
+
+    expect(auth.isSignedIn, isFalse);
+    expect(find.text('Device history'), findsOneWidget);
+    expect(find.text('Account history'), findsNothing);
   });
 
   testWidgets('should_show_empty_favorites_and_history', (tester) async {
@@ -407,6 +540,21 @@ void _signIn() {
       });
 }
 
+Future<void> _setSignedIn(SharedPreferencesAsync preferences) async {
+  await preferences.setString('auth.accessToken', 'access');
+  await preferences.setString('auth.refreshToken', 'refresh');
+  await preferences.setString(
+    'auth.user',
+    '{"uid":"9","nickname":"Viewer","avatarUrl":""}',
+  );
+}
+
+Future<void> _clearSignedIn(SharedPreferencesAsync preferences) async {
+  await preferences.remove('auth.accessToken');
+  await preferences.remove('auth.refreshToken');
+  await preferences.remove('auth.user');
+}
+
 Widget _app({
   required FakeCatalogRepository catalog,
   FavoriteRepository? favorites,
@@ -433,3 +581,102 @@ class _CountingCatalogRepository extends FakeCatalogRepository {
     return super.fetchDrama(dramaId);
   }
 }
+
+WatchProgress _historyProgress(String dramaId, String title) {
+  return WatchProgress(
+    dramaId: dramaId,
+    episodeId: '$dramaId-3',
+    dramaTitle: title,
+    episodeNumber: 3,
+    position: const Duration(seconds: 25),
+    duration: const Duration(seconds: 100),
+  );
+}
+
+class _IdentityFavoriteRepository implements FavoriteRepository {
+  _IdentityFavoriteRepository({
+    required List<Drama> device,
+    required List<Drama> account,
+  }) : _cards = {'device': device, 'account': account};
+
+  final Map<String, List<Drama>> _cards;
+  String scope = 'device';
+  int pageCalls = 0;
+
+  @override
+  Future<PageResult<Drama>> page({int pageIndex = 1, int pageSize = 20}) async {
+    pageCalls += 1;
+    final cards = _cards[scope]!;
+    final offset = (pageIndex - 1) * pageSize;
+    return PageResult(
+      total: cards.length,
+      list: offset >= cards.length
+          ? const []
+          : cards.skip(offset).take(pageSize).toList(),
+    );
+  }
+
+  @override
+  Future<void> remove(String dramaId) async {
+    _cards[scope]!.removeWhere((drama) => drama.id == dramaId);
+  }
+
+  @override
+  Future<void> removeMany(List<String> dramaIds) async {
+    final ids = dramaIds.toSet();
+    _cards[scope]!.removeWhere((drama) => ids.contains(drama.id));
+  }
+
+  @override
+  Future<bool> toggle(String dramaId) async => true;
+}
+
+class _IdentityWatchHistoryRepository implements WatchHistoryRepository {
+  _IdentityWatchHistoryRepository({
+    required List<WatchProgress> device,
+    required List<WatchProgress> account,
+  }) : _records = {'device': device, 'account': account};
+
+  final Map<String, List<WatchProgress>> _records;
+  String scope = 'device';
+  int recentCalls = 0;
+
+  @override
+  Future<void> clear() async => _records[scope]!.clear();
+
+  @override
+  Future<WatchProgress?> progressFor(String dramaId) async {
+    return _records[scope]!
+        .where((record) => record.dramaId == dramaId)
+        .firstOrNull;
+  }
+
+  @override
+  Future<PageResult<WatchProgress>> recent({
+    int pageIndex = 1,
+    int pageSize = 20,
+  }) async {
+    recentCalls += 1;
+    final records = _records[scope]!;
+    final offset = (pageIndex - 1) * pageSize;
+    return PageResult(
+      total: records.length,
+      list: offset >= records.length
+          ? const []
+          : records.skip(offset).take(pageSize).toList(),
+    );
+  }
+
+  @override
+  Future<void> remove(String dramaId) async {
+    _records[scope]!.removeWhere((record) => record.dramaId == dramaId);
+  }
+
+  @override
+  Future<WatchProgress?> save({
+    required String episodeId,
+    required Duration position,
+    Duration? duration,
+    bool finished = false,
+  }) async => null;
+}

test/home/app_bottom_nav_test.dart

@@ -10,7 +10,7 @@ void main() {
   test('should_use_exact_root_navigation_colors', () {
     expect(AppColors.navBackground, const Color(0xFF000000));
     expect(AppColors.navSelected, const Color(0xFFFFFFFF));
-    expect(AppColors.navUnselected, const Color(0xFF8E8E93));
+    expect(AppColors.navUnselected, const Color(0xFFB0B0B0));
   });
 
   testWidgets('should_render_four_slots_with_white_selected_state', (

test/home/home_card_style_test.dart

@@ -82,7 +82,13 @@ void main() {
     expect(viewsText.style?.fontSize, AppDimens.cardPlayCountFont);
     expect(viewsText.style?.fontWeight, FontWeight.w400);
     expect(viewsText.style?.color, AppColors.navSelected);
-    expect(find.descendant(of: cover, matching: views), findsOneWidget);
+    expect(
+      find.descendant(
+        of: find.byKey(const Key('home-feed-cover-clip-anime-card')),
+        matching: views,
+      ),
+      findsOneWidget,
+    );
     expect(
       tester.getTopRight(cover).dx - tester.getTopRight(views).dx,
       AppDimens.cardPlayCountRight,
@@ -201,7 +207,9 @@ Future<void> _pumpCard(
         body: Center(
           child: SizedBox(
             width: 130,
-            height: 240,
+            height:
+                130 / AppDimens.cardCoverAspectRatio +
+                AppDimens.homeCardBodyExtent,
             child: HomeFeedCard(
               drama: drama,
               onTap: onTap,

test/home/home_grid_layout_test.dart

@@ -12,8 +12,8 @@ import 'package:fruitshorts/core/data/repositories/favorite_repository.dart';
 import 'package:fruitshorts/core/data/repositories/playback_repository.dart';
 import 'package:fruitshorts/core/data/repositories/watch_history_repository.dart';
 import 'package:fruitshorts/core/theme/app_dimens.dart';
-import 'package:fruitshorts/core/theme/app_theme.dart';
 import 'package:fruitshorts/pages/home/widgets/home_feed_card.dart';
+import 'package:fruitshorts/pages/home/widgets/home_feed_grid.dart';
 import 'package:fruitshorts/pages/player/player_view.dart';
 import 'package:shared_preferences_platform_interface/in_memory_shared_preferences_async.dart';
 import 'package:shared_preferences_platform_interface/shared_preferences_async_platform_interface.dart';
@@ -103,7 +103,7 @@ void main() {
 
     await tester.tap(find.byKey(const Key('home-section-category-社群')));
     await tester.pumpAndSettle();
-    expect(find.byKey(const Key('home-grid-empty')), findsOneWidget);
+    expect(firstDramaId(), 'page1-0');
     expect(find.byKey(const Key('filter-page')), findsNothing);
   });
 
@@ -186,17 +186,30 @@ void main() {
     expect(repository.cursors, contains('page1'));
     expect(repository.requestedSizes.every((size) => size <= 20), isTrue);
 
-    await tester.scrollUntilVisible(
-      find.byKey(const Key('home-feed-card-page2-1')),
-      260,
-      scrollable: find
-          .descendant(
-            of: find.byKey(const Key('home-grid-refresh')),
-            matching: find.byType(Scrollable),
-          )
-          .first,
+    expect(find.byKey(const Key('home-grid-refresh')), findsOneWidget);
+    final gridScrollable = find
+        .descendant(
+          of: find.byKey(const Key('home-grid-scroll')),
+          matching: find.byType(Scrollable),
+        );
+    expect(gridScrollable, findsOneWidget);
+    final secondPageCard = find.byKey(
+      const Key('home-feed-card-page2-0'),
     );
-    expect(find.byKey(const Key('home-feed-card-page2-1')), findsOneWidget);
+    final feed = tester
+        .widget<HomeFeedGrid>(find.byType(HomeFeedGrid))
+        .feedController;
+    expect(
+      feed.dramas.map((drama) => drama.id),
+      contains('page2-0'),
+    );
+    final position = tester.state<ScrollableState>(gridScrollable).position;
+    await tester.pump();
+    position.jumpTo(position.maxScrollExtent);
+    await tester.pump();
+    position.jumpTo(position.maxScrollExtent);
+    await tester.pump();
+    expect(secondPageCard, findsOneWidget);
   });
 
   testWidgets('should_open_player_when_grid_card_is_tapped', (tester) async {
@@ -243,7 +256,7 @@ Future<void> _pumpApp(
 
 class _PagedCatalogRepository implements CatalogRepository {
   _PagedCatalogRepository()
-    : pageOne = List.generate(10, (index) => _drama('page1-$index')),
+    : pageOne = List.generate(30, (index) => _drama('page1-$index')),
       pageTwo = List.generate(2, (index) => _drama('page2-$index'));
 
   final List<Drama> pageOne;

test/home/home_nav_ui_test.dart

@@ -98,22 +98,12 @@ void main() {
       tester.getTopRight(walletEntry).dx,
       closeTo(390 - AppDimens.feedPageHorizontal, 0.1),
     );
-    final crown = tester.widget<Icon>(
-      find.descendant(
-        of: vipEntry,
-        matching: find.byIcon(Icons.workspace_premium_outlined),
-      ),
-    );
-    final gift = tester.widget<Icon>(
-      find.descendant(
-        of: walletEntry,
-        matching: find.byIcon(Icons.card_giftcard_rounded),
-      ),
-    );
-    expect(crown.size, AppDimens.homeActionIcon);
-    expect(crown.color, AppColors.homeCrownGold);
-    expect(gift.size, AppDimens.homeActionIcon);
-    expect(gift.color, AppColors.homeGiftPink);
+    expect(crownImage.width, AppDimens.homeActionIcon);
+    expect(crownImage.height, AppDimens.homeActionIcon);
+    expect(crownImage.fit, BoxFit.contain);
+    expect(giftImage.width, AppDimens.homeActionIcon);
+    expect(giftImage.height, AppDimens.homeActionIcon);
+    expect(giftImage.fit, BoxFit.contain);
     expect(
       tester
           .widget<Material>(

test/home/home_preview_layout_test.dart

@@ -305,7 +305,7 @@ void main() {
       find.byKey(const Key('home-feed-episode-progress')),
     );
     expect(episodeProgress.maxLines, 1);
-    expect(episodeProgress.softWrap, isFalse);
+    expect(episodeProgress.overflow, TextOverflow.ellipsis);
     expect(episodeProgress.style?.fontSize, 13);
     expect(episodeProgress.style?.color, AppColors.overlayLabel);
     expect(
@@ -323,19 +323,46 @@ void main() {
       tester.widget<Text>(find.byKey(const Key('rail-save-count'))).data,
       '3.2万',
     );
-    expect(
+    final likeImage = tester.widget<Image>(
       find.descendant(
         of: find.byKey(const Key('rail-like')),
-        matching: find.byIcon(Icons.favorite_rounded),
+        matching: find.byType(Image),
       ),
-      findsOneWidget,
     );
-    expect(
+    final saveImage = tester.widget<Image>(
       find.descendant(
         of: find.byKey(const Key('rail-save')),
-        matching: find.byIcon(Icons.bookmark_border_rounded),
+        matching: find.byType(Image),
       ),
-      findsOneWidget,
+    );
+    expect(
+      (likeImage.image as AssetImage).assetName,
+      'assets/icon/rail/rail_like.png',
+    );
+    expect(likeImage.color, AppColors.doubleTapHeartRed);
+    expect(
+      (saveImage.image as AssetImage).assetName,
+      'assets/icon/rail/rail_save.png',
+    );
+    expect(saveImage.color, AppColors.onPrimary);
+    expect(find.byKey(const Key('rail-comments')), findsOneWidget);
+    expect(find.byKey(const Key('rail-share')), findsNothing);
+    expect(
+      tester.widget<Text>(find.byKey(const Key('rail-comments-count'))).data,
+      '12',
+    );
+    expect(
+      (tester
+                  .widget<Image>(
+                    find.descendant(
+                      of: find.byKey(const Key('rail-comments')),
+                      matching: find.byType(Image),
+                    ),
+                  )
+                  .image
+              as AssetImage)
+          .assetName,
+      'assets/icon/rail/rail_comment.png',
     );
     expect(find.byKey(const Key('rail-episodes')), findsOneWidget);
     expect(
@@ -345,9 +372,13 @@ void main() {
       ),
       findsOneWidget,
     );
-    expect(find.byKey(const Key('rail-comments')), findsNothing);
-    expect(find.byKey(const Key('rail-share')), findsNothing);
-    expect(find.text('Comments'), findsNothing);
+    final saveRect = tester.getRect(find.byKey(const Key('rail-save')));
+    final likeRect = tester.getRect(find.byKey(const Key('rail-like')));
+    final commentsRect = tester.getRect(find.byKey(const Key('rail-comments')));
+    final episodesRect = tester.getRect(find.byKey(const Key('rail-episodes')));
+    expect(likeRect.top - saveRect.bottom, closeTo(14, 0.1));
+    expect(commentsRect.top - likeRect.bottom, closeTo(14, 0.1));
+    expect(episodesRect.top - commentsRect.bottom, closeTo(14, 0.1));
     expect(
       tester.getRect(find.byKey(const Key('home-feed-action-rail'))).right,
       closeTo(
@@ -646,13 +677,14 @@ void main() {
           .ignoring,
       isTrue,
     );
-    expect(find.byKey(const Key('scrub-preview-time-bubble')), findsOneWidget);
-    final bubbleRect = tester.getRect(
-      find.byKey(const Key('scrub-preview-time-bubble')),
+    expect(find.byKey(const Key('scrub-preview-card')), findsOneWidget);
+    expect(find.byKey(const Key('scrub-preview-time')), findsOneWidget);
+    final previewRect = tester.getRect(
+      find.byKey(const Key('scrub-preview-card')),
     );
-    expect(bubbleRect.left, greaterThanOrEqualTo(12));
+    expect(previewRect.left, greaterThanOrEqualTo(12));
     expect(
-      bubbleRect.right,
+      previewRect.right,
       lessThanOrEqualTo(
         tester.getRect(find.byKey(const Key('home-feed-gesture'))).right - 12,
       ),
@@ -662,33 +694,29 @@ void main() {
               .getRect(find.byKey(const Key('home-feed-progress-track')))
               .center
               .dy -
-          bubbleRect.bottom,
+          previewRect.bottom,
       closeTo(16, 0.1),
     );
-    final bubbleContainer = tester.widget<Container>(
-      find.descendant(
-        of: find.byKey(const Key('scrub-preview-time-bubble')),
-        matching: find.byType(Container),
-      ),
+    final previewContainer = tester.widget<Container>(
+      find.byKey(const Key('scrub-preview-card')),
     );
+    final previewDecoration = previewContainer.decoration! as BoxDecoration;
+    expect(previewDecoration.color, AppColors.card);
+    expect(previewDecoration.borderRadius, BorderRadius.circular(8));
     expect(
-      (bubbleContainer.decoration! as BoxDecoration).color,
-      AppColors.timeBubbleScrim,
-    );
-    expect(
-      bubbleContainer.padding,
-      const EdgeInsets.symmetric(horizontal: 6, vertical: 3),
+      (previewDecoration.border! as Border).top.color,
+      AppColors.onPrimary,
     );
     await gesture.moveBy(const Offset(-600, 0));
     await tester.pump();
     expect(
-      tester.getRect(find.byKey(const Key('scrub-preview-time-bubble'))).left,
+      tester.getRect(find.byKey(const Key('scrub-preview-card'))).left,
       closeTo(12, 0.1),
     );
     await gesture.moveBy(const Offset(1200, 0));
     await tester.pump();
     expect(
-      tester.getRect(find.byKey(const Key('scrub-preview-time-bubble'))).right,
+      tester.getRect(find.byKey(const Key('scrub-preview-card'))).right,
       closeTo(
         tester.getRect(find.byKey(const Key('home-feed-gesture'))).right - 12,
         0.1,
@@ -855,6 +883,16 @@ void main() {
     await tester.pump();
     await gesture.up();
     await tester.pumpAndSettle();
+
+    controller.value = const VideoPlayerValue(
+      duration: Duration(seconds: 100),
+      position: Duration(seconds: 40),
+      isInitialized: true,
+      isBuffering: true,
+    );
+    await tester.pump(const Duration(milliseconds: 400));
+    expect(find.byKey(const Key('home-feed-progress-thumb')), findsOneWidget);
+    expect(find.byKey(const Key('progress-loading')), findsNothing);
   });
 
   testWidgets('should_show_refresh_spinner_until_refresh_finishes', (
@@ -970,7 +1008,7 @@ void main() {
     await tester.pump();
 
     expect(find.byKey(const Key('scrub-preview-card')), findsOneWidget);
-    expect(find.byKey(const Key('scrub-preview-poster')), findsOneWidget);
+    expect(find.byKey(const Key('scrub-preview-background')), findsOneWidget);
     expect(find.textContaining('/ 01:40'), findsOneWidget);
 
     await gesture.up();

test/home/home_startup_splash_test.dart

@@ -4,6 +4,7 @@ import 'dart:async';
 
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:provider/provider.dart';
 import 'package:fruitshorts/app.dart';
 import 'package:fruitshorts/core/config/app_config.dart';
 import 'package:fruitshorts/core/data/models/drama.dart';
@@ -13,6 +14,8 @@ import 'package:fruitshorts/core/data/repositories/catalog_repository.dart';
 import 'package:fruitshorts/core/data/repositories/favorite_repository.dart';
 import 'package:fruitshorts/core/data/repositories/playback_repository.dart';
 import 'package:fruitshorts/core/data/repositories/watch_history_repository.dart';
+import 'package:fruitshorts/core/data/services/catalog_controller.dart';
+import 'package:fruitshorts/core/data/services/category_controller.dart';
 import 'package:shared_preferences_platform_interface/in_memory_shared_preferences_async.dart';
 import 'package:shared_preferences_platform_interface/shared_preferences_async_platform_interface.dart';
 
@@ -51,7 +54,11 @@ void main() {
     expect(find.byType(CircularProgressIndicator), findsNothing);
 
     repository.complete(_feed);
-    await tester.pumpAndSettle();
+    await _pumpForAppData(tester);
+    await _pumpUntilFound(
+      tester,
+      find.byKey(const Key('home-feed-card-the-signal-demo')),
+    );
 
     expect(find.byKey(const Key('startup-splash')), findsNothing);
     expect(find.byKey(const Key('home-grid-skeleton')), findsNothing);
@@ -62,7 +69,8 @@ void main() {
     tester,
   ) async {
     await _pumpApp(tester, _FailingCatalogRepository());
-    await tester.pumpAndSettle();
+    await _pumpForAppData(tester);
+    await _pumpUntilFound(tester, find.byKey(const Key('home-grid-error')));
 
     expect(find.byKey(const Key('home-grid-header')), findsOneWidget);
     expect(find.byKey(const Key('home-grid-error')), findsOneWidget);
@@ -72,7 +80,8 @@ void main() {
 
   testWidgets('should_show_catalog_empty_state_inside_grid', (tester) async {
     await _pumpApp(tester, _EmptyCatalogRepository());
-    await tester.pumpAndSettle();
+    await _pumpForAppData(tester);
+    await _pumpUntilFound(tester, find.byKey(const Key('home-grid-empty')));
 
     expect(find.byKey(const Key('home-grid-header')), findsOneWidget);
     expect(find.byKey(const Key('home-grid-empty')), findsOneWidget);
@@ -99,6 +108,34 @@ Future<void> _pumpApp(WidgetTester tester, CatalogRepository repository) async {
   await tester.pump();
 }
 
+Future<void> _pumpUntilFound(WidgetTester tester, Finder finder) async {
+  for (var frame = 0; frame < 40; frame++) {
+    if (finder.evaluate().isNotEmpty) return;
+    await tester.pump(const Duration(milliseconds: 16));
+  }
+  await tester.pump();
+}
+
+Future<void> _pumpForAppData(WidgetTester tester) async {
+  await tester.runAsync(
+    () => Future<void>.delayed(Duration.zero),
+  );
+  for (var frame = 0; frame < 40; frame++) {
+    final root = find.byKey(const Key('home-tabs'));
+    if (root.evaluate().isNotEmpty) {
+      final context = tester.element(root);
+      final catalog = context.read<CatalogController>();
+      final categories = context.read<CategoryController>();
+      if (catalog.settled && !catalog.loading && !categories.loading) {
+        await tester.pump();
+        return;
+      }
+    }
+    await tester.pump(const Duration(milliseconds: 16));
+  }
+  await tester.pump();
+}
+
 final _feed = HomeFeed(
   sections: [
     FeedSection(code: 'hot', title: 'Hot', dramas: [demoDramas.first]),

test/home/k28_a_navigation_test.dart

@@ -8,6 +8,7 @@ import 'package:fruitshorts/core/data/repositories/favorite_repository.dart';
 import 'package:fruitshorts/core/data/repositories/playback_repository.dart';
 import 'package:fruitshorts/core/data/repositories/watch_history_repository.dart';
 import 'package:fruitshorts/core/widgets/app_bottom_nav.dart';
+import 'package:fruitshorts/pages/home/widgets/home_feed_grid.dart';
 import 'package:fruitshorts/pages/player/player_view.dart';
 import 'package:shared_preferences_platform_interface/in_memory_shared_preferences_async.dart';
 import 'package:shared_preferences_platform_interface/shared_preferences_async_platform_interface.dart';
@@ -45,7 +46,7 @@ void main() {
 
     expect(find.byKey(const Key('home-grid')), findsOneWidget);
     expect(find.byKey(const Key('home-grid-cards')), findsOneWidget);
-    expect(find.byType(PageView), findsNothing);
+    expect(find.byKey(const Key('home-primary-page-view')), findsOneWidget);
     expect(find.byKey(const Key('home-page-gradient')), findsNothing);
     expect(_hasLightStatusBar(tester), isTrue);
   });
@@ -158,7 +159,20 @@ void main() {
 
   testWidgets('should_open_player_from_home_grid_card', (tester) async {
     await _pumpApp(tester);
-    await tester.tap(find.byKey(const Key('home-feed-card-the-signal-demo')));
+    final grid = tester.widget<HomeFeedGrid>(find.byType(HomeFeedGrid));
+    expect(grid.feedController.dramas, isNotEmpty);
+    final card = find.byKey(
+      const Key('home-feed-card-city-lights-demo'),
+    );
+    for (var attempt = 0; attempt < 10; attempt++) {
+      if (card.evaluate().isNotEmpty) break;
+      await tester.drag(
+        find.byKey(const Key('home-grid-scroll')),
+        const Offset(0, -240),
+      );
+      await tester.pump();
+    }
+    await tester.tap(card);
     await tester.pumpAndSettle();
 
     final player = tester.widget<PlayerPage>(find.byType(PlayerPage).last);

test/library/favorite_controller_test.dart

@@ -6,11 +6,12 @@ import 'package:fruitshorts/core/data/models/page_result.dart';
 import 'package:fruitshorts/core/data/repositories/favorite_repository.dart';
 import 'package:fruitshorts/core/data/services/favorite_controller.dart';
 
-Drama _card(String id) => Drama(
+Drama _card(String id, {int? favoriteCount}) => Drama(
   id: id,
   title: 'Drama $id',
   synopsis: 'synopsis',
   posterUrl: '/files/$id.png',
+  favoriteCount: favoriteCount,
 );
 
 void main() {
@@ -37,6 +38,31 @@ void main() {
     expect(controller.cards.map((drama) => drama.id), ['signal']);
   });
 
+  test(
+    'should_adjust_the_single_favorite_count_when_toggle_succeeds',
+    () async {
+      final controller = FavoriteController(InMemoryFavoriteRepository());
+      final card = _card('signal', favoriteCount: 12);
+
+      expect(controller.favoriteCountFor(card), 12);
+      expect(await controller.toggle('signal', card: card), isTrue);
+      expect(controller.favoriteCount('signal'), 13);
+      expect(await controller.toggle('signal', card: card), isTrue);
+      expect(controller.favoriteCount('signal'), 12);
+    },
+  );
+
+  test('should_apply_server_count_and_roll_back_toggle_failure', () async {
+    final repository = InMemoryFavoriteRepository()..failToggle = true;
+    final controller = FavoriteController(repository);
+
+    controller.applyServerState('signal', saved: false, favoriteCount: 20);
+    expect(controller.favoriteCount('signal'), 20);
+    expect(await controller.toggle('signal'), isFalse);
+    expect(controller.isSaved('signal'), isFalse);
+    expect(controller.favoriteCount('signal'), 20);
+  });
+
   test('should_remove_card_and_state_when_toggled_off', () async {
     final repository = InMemoryFavoriteRepository(saved: {'signal'});
     final controller = FavoriteController(repository);

test/library/favorites_page_test.dart

@@ -187,22 +187,20 @@ void main() {
     expect(find.byKey(const Key('favorites-retry')), findsOneWidget);
   });
 
-  testWidgets(
-    'should_show_auth_gate_without_loading_favorites_when_signed_out',
-    (tester) async {
-      final auth = await _auth(signedIn: false);
-      final repository = InMemoryFavoriteRepository(
-        saved: {'signal'},
-        cards: [_card('signal')],
-      );
-      final favorites = FavoriteController(repository);
+  testWidgets('should_show_device_favorites_when_signed_out', (tester) async {
+    final auth = await _auth(signedIn: false);
+    final repository = InMemoryFavoriteRepository(
+      saved: {'signal'},
+      cards: [_card('signal')],
+    );
+    final favorites = FavoriteController(repository);
 
-      await _pumpPage(tester, auth: auth, favorites: favorites);
+    await _pumpPage(tester, auth: auth, favorites: favorites);
 
-      expect(find.byKey(const Key('auth-gate-panel')), findsOneWidget);
-      expect(repository.pageCalls, 0);
-    },
-  );
+    expect(find.byKey(const Key('auth-gate-panel')), findsNothing);
+    expect(find.text('Drama signal'), findsOneWidget);
+    expect(repository.pageCalls, 1);
+  });
 
   testWidgets('should_open_player_when_favorite_card_is_tapped', (
     tester,