feat(nav): 底部导航改为首页推荐追剧我的

lib/pages/discover/discover_types.dart

@@ -4,8 +4,8 @@ import 'package:flutter/foundation.dart';
 
 import '../../core/data/models/drama.dart';
 
-/// 剧场页与根导航之间的动作。
-enum DiscoverPageAction { home, create, my }
+/// 推荐页与根导航之间的动作。
+enum DiscoverPageAction { home, recommend, following, mine }
 
 /// 剧场页导航回调；没有 `onAction` 时按独立页面处理。
 class DiscoverPageCallbacks {

lib/pages/discover/discover_view.dart

@@ -19,6 +19,7 @@ import '../../core/theme/app_dimens.dart';
 import '../../core/theme/app_theme.dart';
 import '../../core/widgets/app_bottom_nav.dart';
 import '../../core/widgets/app_pull_to_refresh.dart';
+import '../../core/widgets/app_root_tab.dart';
 import '../../core/widgets/catalog_debug_info.dart';
 import '../../core/widgets/catalog_endpoint_editor.dart';
 import '../../core/widgets/empty_state.dart';
@@ -149,7 +150,7 @@ class _DiscoverPageState extends State<DiscoverPage> {
       key: const Key('theater-page-surface'),
       color: AppColors.ink,
       child: SafeArea(
-        bottom: !embedded,
+        bottom: false,
         child: Column(
           children: [
             DiscoverHeader(
@@ -613,37 +614,26 @@ class _DiscoverPageState extends State<DiscoverPage> {
 
   Widget _bottomNav(AppLocalizations l10n) => AppBottomNav(
     items: [
-      AppBottomNavItem(
-        tabKey: const Key('discover-nav-home'),
-        icon: Icons.home_outlined,
-        selectedIcon: Icons.home_rounded,
-        label: l10n.homeTab,
-        onTap: () => _act(DiscoverPageAction.home),
-      ),
-      AppBottomNavItem(
-        tabKey: const Key('discover-nav-current'),
-        icon: Icons.explore_outlined,
-        selectedIcon: Icons.explore_rounded,
-        label: l10n.theaterTab,
-        selected: true,
-        onTap: () {},
-      ),
-      AppBottomNavItem(
-        tabKey: const Key('discover-nav-create'),
-        icon: Icons.add_box_outlined,
-        selectedIcon: Icons.add_box_rounded,
-        label: l10n.createTab,
-        onTap: () => _act(DiscoverPageAction.create),
-      ),
-      AppBottomNavItem(
-        tabKey: const Key('discover-nav-my'),
-        icon: Icons.person_outline_rounded,
-        selectedIcon: Icons.person_rounded,
-        label: l10n.myTab,
-        onTap: () => _act(DiscoverPageAction.my),
-      ),
+      for (final tab in AppRootTab.values)
+        AppBottomNavItem(
+          tabKey: tab.tabKey,
+          icon: tab.icon,
+          selectedIcon: tab.selectedIcon,
+          label: tab.label(l10n),
+          selected: tab == AppRootTab.recommend,
+          onTap: tab == AppRootTab.recommend
+              ? () {}
+              : () => _act(_actionOf(tab)),
+        ),
     ],
   );
+
+  DiscoverPageAction _actionOf(AppRootTab tab) => switch (tab) {
+    AppRootTab.home => DiscoverPageAction.home,
+    AppRootTab.recommend => DiscoverPageAction.recommend,
+    AppRootTab.following => DiscoverPageAction.following,
+    AppRootTab.mine => DiscoverPageAction.mine,
+  };
 }
 
 /// 分类 tab 的弧形选中线。

lib/pages/favorites/favorites_page.dart

@@ -44,14 +44,33 @@ const double _loadMoreThreshold = 240;
 final RegExp _tagSplitter = RegExp(r'[,/、·]');
 
 /// 独立我的收藏页。
-class FavoritesPage extends StatefulWidget {
+class FavoritesPage extends StatelessWidget {
   const FavoritesPage({super.key});
 
   @override
-  State<FavoritesPage> createState() => _FavoritesPageState();
+  Widget build(BuildContext context) {
+    return Theme(
+      data: AppTheme.dark(),
+      child: Scaffold(
+        key: const Key('favorites-page'),
+        backgroundColor: AppColors.ink,
+        body: const SafeArea(child: FavoritesContent()),
+      ),
+    );
+  }
 }
 
-class _FavoritesPageState extends State<FavoritesPage> {
+/// 收藏列表主体；可独立使用，也可直接嵌入根导航。
+class FavoritesContent extends StatefulWidget {
+  const FavoritesContent({super.key, this.showBack = true});
+
+  final bool showBack;
+
+  @override
+  State<FavoritesContent> createState() => _FavoritesContentState();
+}
+
+class _FavoritesContentState extends State<FavoritesContent> {
   bool _requested = false;
 
   @override
@@ -74,28 +93,21 @@ class _FavoritesPageState extends State<FavoritesPage> {
   Widget build(BuildContext context) {
     final l10n = AppLocalizations.of(context)!;
     final signedIn = context.watch<AuthController>().isSignedIn;
-    return Theme(
-      data: AppTheme.dark(),
-      child: Scaffold(
-        key: const Key('favorites-page'),
-        backgroundColor: AppColors.ink,
-        body: SafeArea(
-          child: Column(
-            children: [
-              AppSubpageHeader(
-                title: l10n.myFavorites,
-                backKey: const Key('favorites-back'),
-              ),
-              Expanded(
-                child: signedIn
-                    ? _FavoritesBody(
-                        favorites: context.watch<FavoriteController>(),
-                      )
-                    : const AuthGatePanel(),
-              ),
-            ],
+    return SafeArea(
+      bottom: false,
+      child: Column(
+        children: [
+          AppSubpageHeader(
+            title: l10n.myFavorites,
+            backKey: const Key('favorites-back'),
+            showBack: widget.showBack,
           ),
-        ),
+          Expanded(
+            child: signedIn
+                ? _FavoritesBody(favorites: context.watch<FavoriteController>())
+                : const AuthGatePanel(),
+          ),
+        ],
       ),
     );
   }

lib/pages/home/home_logic.dart

@@ -79,9 +79,11 @@ class HomeLogic extends ChangeNotifier {
     switch (action) {
       case DiscoverPageAction.home:
         select(0);
-      case DiscoverPageAction.create:
+      case DiscoverPageAction.recommend:
+        select(1, search: true);
+      case DiscoverPageAction.following:
         select(2);
-      case DiscoverPageAction.my:
+      case DiscoverPageAction.mine:
         select(3);
     }
   }
@@ -102,10 +104,12 @@ class HomeLogic extends ChangeNotifier {
     switch (action) {
       case MyPageAction.home:
         select(0);
-      case MyPageAction.discover:
+      case MyPageAction.recommend:
         select(1, search: true);
-      case MyPageAction.create:
+      case MyPageAction.following:
         select(2);
+      case MyPageAction.mine:
+        select(3);
       case MyPageAction.resume:
         select(0, resume: true);
     }

lib/pages/home/home_view.dart

@@ -17,13 +17,14 @@ import '../../core/platform/haptics.dart';
 import '../../core/theme/app_colors.dart';
 import '../../core/theme/app_theme.dart';
 import '../../core/widgets/app_bottom_nav.dart';
+import '../../core/widgets/app_root_tab.dart';
 import '../../core/widgets/catalog_debug_info.dart';
 import '../../core/widgets/catalog_endpoint_editor.dart';
 import '../../core/widgets/empty_state.dart';
 import '../../l10n/app_localizations.dart';
 import '../discover/discover_types.dart';
 import '../discover/discover_view.dart';
-import '../create/create_view.dart';
+import '../favorites/favorites_page.dart';
 import '../mine/mine_types.dart';
 import '../player/widgets/home_feed_header.dart';
 import '../player/player_view.dart';
@@ -295,7 +296,7 @@ class _HomeTabsState extends State<_HomeTabs> {
       children: [
         _home(context),
         _discover(context),
-        const CreatePage(),
+        const FavoritesContent(key: Key('favorites-page'), showBack: false),
         _my(context),
       ],
     );
@@ -455,10 +456,10 @@ class _HomeTabsState extends State<_HomeTabs> {
       barKey: const Key('home-tabs-bar'),
       dark: logic.tab == 0,
       items: [
-        _navItem(context, l10n, 0),
-        _navItem(context, l10n, 1),
-        _navItem(context, l10n, 2),
-        _navItem(context, l10n, 3),
+        _navItem(context, l10n, AppRootTab.home),
+        _navItem(context, l10n, AppRootTab.recommend),
+        _navItem(context, l10n, AppRootTab.following),
+        _navItem(context, l10n, AppRootTab.mine),
       ],
     );
   }
@@ -466,43 +467,16 @@ class _HomeTabsState extends State<_HomeTabs> {
   AppBottomNavItem _navItem(
     BuildContext context,
     AppLocalizations l10n,
-    int index,
+    AppRootTab tab,
   ) {
-    final selected = logic.tab == index;
-    return switch (index) {
-      0 => AppBottomNavItem(
-        tabKey: const Key('tab-home'),
-        icon: Icons.home_outlined,
-        selectedIcon: Icons.home_rounded,
-        label: l10n.homeTab,
-        selected: selected,
-        onTap: () => _selectTab(context, index),
-      ),
-      1 => AppBottomNavItem(
-        tabKey: const Key('tab-theater'),
-        icon: Icons.explore_outlined,
-        selectedIcon: Icons.explore_rounded,
-        label: l10n.theaterTab,
-        selected: selected,
-        onTap: () => _selectTab(context, index),
-      ),
-      2 => AppBottomNavItem(
-        tabKey: const Key('tab-create'),
-        icon: Icons.add_box_outlined,
-        selectedIcon: Icons.add_box_rounded,
-        label: l10n.createTab,
-        selected: selected,
-        onTap: () => _selectTab(context, index),
-      ),
-      _ => AppBottomNavItem(
-        tabKey: const Key('tab-mine'),
-        icon: Icons.person_outline_rounded,
-        selectedIcon: Icons.person_rounded,
-        label: l10n.myTab,
-        selected: selected,
-        onTap: () => _selectTab(context, index),
-      ),
-    };
+    return AppBottomNavItem(
+      tabKey: tab.tabKey,
+      icon: tab.icon,
+      selectedIcon: tab.selectedIcon,
+      label: tab.label(l10n),
+      selected: logic.tab == tab.index,
+      onTap: () => _selectTab(context, tab.index),
+    );
   }
 
   void _selectTab(BuildContext context, int tab) {

lib/pages/mine/mine_types.dart

@@ -5,7 +5,7 @@ import 'package:flutter/foundation.dart';
 import '../../core/data/models/drama.dart';
 
 /// 「我的」页与根导航之间的返回动作。
-enum MyPageAction { home, discover, create, resume }
+enum MyPageAction { home, recommend, following, mine, resume }
 
 /// 「我的」页可进入的功能目的地。
 enum MineDestination {

lib/pages/mine/mine_view.dart

@@ -13,6 +13,7 @@ import '../../core/theme/app_colors.dart';
 import '../../core/theme/app_dimens.dart';
 import '../../core/theme/app_theme.dart';
 import '../../core/widgets/app_bottom_nav.dart';
+import '../../core/widgets/app_root_tab.dart';
 import '../../core/widgets/auth_gate.dart';
 import '../../core/widgets/plain_page_scaffold.dart';
 import '../../l10n/app_localizations.dart';
@@ -81,7 +82,7 @@ class _MyPageState extends State<MyPage> {
   Widget _page(BuildContext context) {
     final l10n = AppLocalizations.of(context)!;
     final content = SafeArea(
-      bottom: !embedded,
+      bottom: false,
       child: Column(
         children: [
           _topBar(l10n),
@@ -240,39 +241,26 @@ class _MyPageState extends State<MyPage> {
   Widget _bottomNav(AppLocalizations l10n) {
     return AppBottomNav(
       items: [
-        AppBottomNavItem(
-          tabKey: const Key('mine-nav-home'),
-          icon: Icons.home_outlined,
-          selectedIcon: Icons.home_rounded,
-          label: l10n.homeTab,
-          onTap: () => _act(MyPageAction.home),
-        ),
-        AppBottomNavItem(
-          tabKey: const Key('mine-nav-discover'),
-          icon: Icons.explore_outlined,
-          selectedIcon: Icons.explore_rounded,
-          label: l10n.theaterTab,
-          onTap: () => _act(MyPageAction.discover),
-        ),
-        AppBottomNavItem(
-          tabKey: const Key('mine-nav-create'),
-          icon: Icons.add_box_outlined,
-          selectedIcon: Icons.add_box_rounded,
-          label: l10n.createTab,
-          onTap: () => _act(MyPageAction.create),
-        ),
-        AppBottomNavItem(
-          tabKey: const Key('mine-nav-current'),
-          icon: Icons.person_outline_rounded,
-          selectedIcon: Icons.person_rounded,
-          label: l10n.myTab,
-          selected: true,
-          onTap: () {},
-        ),
+        for (final tab in AppRootTab.values)
+          AppBottomNavItem(
+            tabKey: tab.tabKey,
+            icon: tab.icon,
+            selectedIcon: tab.selectedIcon,
+            label: tab.label(l10n),
+            selected: tab == AppRootTab.mine,
+            onTap: tab == AppRootTab.mine ? () {} : () => _act(_actionOf(tab)),
+          ),
       ],
     );
   }
 
+  MyPageAction _actionOf(AppRootTab tab) => switch (tab) {
+    AppRootTab.home => MyPageAction.home,
+    AppRootTab.recommend => MyPageAction.recommend,
+    AppRootTab.following => MyPageAction.following,
+    AppRootTab.mine => MyPageAction.mine,
+  };
+
   void _act(MyPageAction action) {
     logic.act(
       context,

lib/pages/player/player_logic.dart

@@ -1085,7 +1085,7 @@ class PlayerLogic extends ChangeNotifier {
       context,
     ).push<MyPageAction>(MaterialPageRoute(builder: (_) => const MyPage()));
     if (!context.mounted) return;
-    if (action == MyPageAction.discover) {
+    if (action == MyPageAction.recommend) {
       await showDiscover(context);
     } else {
       session.setRouteVisible(true);
@@ -1117,7 +1117,7 @@ class PlayerLogic extends ChangeNotifier {
       MaterialPageRoute(builder: (_) => DiscoverPage(focusSearch: focusSearch)),
     );
     if (!context.mounted) return;
-    if (action == DiscoverPageAction.my) {
+    if (action == DiscoverPageAction.mine) {
       await showMy(context);
     } else {
       session.setRouteVisible(true);