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

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/core/device_id_test.dart

@@ -8,9 +8,10 @@ import 'package:shared_preferences_platform_interface/shared_preferences_async_p
 
 /// 可控的系统设备标识来源。
 class _FakeDeviceIdProvider implements DeviceIdProvider {
-  _FakeDeviceIdProvider(this.value);
+  _FakeDeviceIdProvider(this.value, {this.region});
 
   final String? value;
+  final String? region;
   int calls = 0;
 
   @override
@@ -18,6 +19,9 @@ class _FakeDeviceIdProvider implements DeviceIdProvider {
     calls++;
     return value;
   }
+
+  @override
+  Future<String?> deviceRegion() async => region;
 }
 
 void main() {
@@ -62,4 +66,16 @@ void main() {
 
     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/mine/mine_preview_layout_test.dart

@@ -437,6 +437,24 @@ void main() {
     expect(find.byKey(const Key('following-history-grid')), findsOneWidget);
   });
 
+  testWidgets('should_open_player_when_tapping_continue_watching_card', (
+    tester,
+  ) async {
+    await _pumpApp(
+      tester,
+      signedIn: true,
+      history: InMemoryWatchHistoryRepository(seed: [_recent]),
+    );
+    await _openMine(tester);
+
+    await tester.tap(find.byKey(const Key('mine-continue-city-lights-demo')));
+    await tester.pumpAndSettle();
+
+    expect(find.byKey(const Key('player-scaffold')), findsOneWidget);
+    // 继续观看直接进播放页，不应该先落到历史列表
+    expect(find.byKey(const Key('following-page')), findsNothing);
+  });
+
   testWidgets('should_open_vip_from_mine_without_floating_player', (
     tester,
   ) async {