feat(reward): 新增客户端奖励中心

lib/pages/home/home_logic.dart

@@ -75,7 +75,7 @@ class HomeLogic extends ChangeNotifier {
     String? episodeId,
   }) => playDramaFromCatalog(context, drama, episodeId: episodeId);
 
-  void openProfile() => select(3);
+  void openProfile() => select(4);
 
   void discoverAction(DiscoverPageAction action) {
     switch (action) {
@@ -83,10 +83,12 @@ class HomeLogic extends ChangeNotifier {
         select(0);
       case DiscoverPageAction.recommend:
         select(1);
-      case DiscoverPageAction.following:
+      case DiscoverPageAction.reward:
         select(2);
-      case DiscoverPageAction.mine:
+      case DiscoverPageAction.following:
         select(3);
+      case DiscoverPageAction.mine:
+        select(4);
     }
   }
 
@@ -103,7 +105,7 @@ class HomeLogic extends ChangeNotifier {
   }
 
   void openFollowingHistory() {
-    tab = 2;
+    tab = 3;
     followingHistoryRequest += 1;
     notify();
   }
@@ -114,10 +116,12 @@ class HomeLogic extends ChangeNotifier {
         select(0);
       case MyPageAction.recommend:
         select(1);
-      case MyPageAction.following:
+      case MyPageAction.reward:
         select(2);
-      case MyPageAction.mine:
+      case MyPageAction.following:
         select(3);
+      case MyPageAction.mine:
+        select(4);
       case MyPageAction.resume:
         select(0, resume: true);
     }

lib/pages/home/home_view.dart

@@ -8,6 +8,7 @@ import 'package:provider/provider.dart';
 
 import '../../core/data/remote/catalog_api.dart';
 import '../../core/data/services/home_feed_controller.dart';
+import '../../core/data/models/reward.dart';
 import '../../core/data/services/catalog_controller.dart';
 import '../../core/data/services/category_controller.dart';
 import '../../core/data/services/favorite_controller.dart';
@@ -21,6 +22,7 @@ import '../following/following_page.dart';
 import '../mine/mine_types.dart';
 import '../recommend/recommend_page.dart';
 import '../recommend/recommend_discover_page.dart';
+import '../reward/reward_page.dart';
 import '../mine/mine_view.dart';
 import '../wallet/wallet_page.dart';
 import 'home_binding.dart';
@@ -105,7 +107,7 @@ class _HomePageState extends State<HomePage> with WidgetsBindingObserver {
   }
 }
 
-/// 四个根页面共享同一路由并保持各自状态。
+/// 五个根页面共享同一路由并保持各自状态。
 class _HomeTabs extends StatefulWidget {
   const _HomeTabs({super.key, required this.feedController});
 
@@ -164,11 +166,12 @@ class _HomeTabsState extends State<_HomeTabs> {
     final builders = <WidgetBuilder>[
       _recommend,
       _recommendDiscover,
+      _reward,
       (context) => FollowingPage(
         onGoHome: () => logic.select(0),
         favoriteController: context.read<FavoriteController>(),
         historyRequest: logic.followingHistoryRequest,
-        visible: logic.tab == 2,
+        visible: logic.tab == 3,
       ),
       _my,
     ];
@@ -218,7 +221,7 @@ class _HomeTabsState extends State<_HomeTabs> {
 
   Widget _my(BuildContext context) {
     return MyPage(
-      active: logic.tab == 3,
+      active: logic.tab == 4,
       callbacks: MyPageCallbacks(
         onAction: logic.myAction,
         onOpenHistoryTab: logic.openFollowingHistory,
@@ -226,6 +229,26 @@ class _HomeTabsState extends State<_HomeTabs> {
     );
   }
 
+  Widget _reward(BuildContext context) {
+    return RewardPage(
+      active: logic.tab == 2,
+      onBack: () => logic.select(0),
+      onOpenWallet: () => unawaited(_openWallet(context)),
+      onTaskAction: (task) => _handleRewardAction(context, task),
+    );
+  }
+
+  void _handleRewardAction(BuildContext context, RewardTask task) {
+    switch (task.actionType) {
+      case 'OPEN_PROFILE':
+        logic.select(4);
+      case 'OPEN_WALLET':
+        unawaited(_openWallet(context));
+      default:
+        logic.select(0);
+    }
+  }
+
   Widget _nav(BuildContext context) {
     return AppRootBottomNav(
       barKey: const Key('home-tabs-bar'),
@@ -243,9 +266,9 @@ class _HomeTabsState extends State<_HomeTabs> {
   }
 }
 
-/// 四个根 tab 的容器：只有被访问过的 tab 才真正构建并常驻。
+/// 五个根 tab 的容器：只有被访问过的 tab 才真正构建并常驻。
 ///
-/// 冷启动时只建推荐页，其余 tab 等第一次切过去再建，省掉三棵子树和它们各自的请求。
+/// 冷启动时只建推荐页，其余 tab 等第一次切过去再建，减少首屏子树和请求。
 class _LazyTabStack extends StatefulWidget {
   const _LazyTabStack({required this.index, required this.builders});