feat(app): 完善播放协议搜索与空状态

lib/pages/mine/mine_view.dart

@@ -158,7 +158,10 @@ class _MyPageState extends State<MyPage> {
           padding: const EdgeInsets.symmetric(
             horizontal: AppDimens.pageHorizontal,
           ),
-          child: MineHeader(onLogin: _openLogin, onEdit: _openEditActions),
+          child: MineHeader(
+            onLogin: _openLogin,
+            onEdit: () => _push(const AccountProfilePage()),
+          ),
         ),
         Padding(
           padding: const EdgeInsets.symmetric(
@@ -202,7 +205,7 @@ class _MyPageState extends State<MyPage> {
             horizontal: AppDimens.mineGridHorizontal,
           ),
           child: MineMoreServices(
-            onCommonQuestions: () => _pushPlaceholder(MinePlaceholderKind.help),
+            onCommonQuestions: _pushPlaceholder,
             onAbout: () => _push(const MineAboutPage()),
           ),
         ),
@@ -222,16 +225,12 @@ class _MyPageState extends State<MyPage> {
         _openVip();
       case MineDestination.preferences:
         _push(const FilterPage());
-      case MineDestination.works:
-        _pushPlaceholder(MinePlaceholderKind.works);
-      case MineDestination.creatorCenter:
-        _pushPlaceholder(MinePlaceholderKind.creator);
       case MineDestination.notices:
         _push(const NoticesPage());
       case MineDestination.settings:
         _push(const SettingsPage());
       case MineDestination.help:
-        _pushPlaceholder(MinePlaceholderKind.help);
+        _pushPlaceholder();
     }
   }
 
@@ -248,66 +247,12 @@ class _MyPageState extends State<MyPage> {
     _push(const WatchRecordsPage());
   }
 
-  Future<void> _openEditActions() async {
-    final selected = await showModalBottomSheet<String>(
-      context: context,
-      backgroundColor: AppColors.transparent,
-      showDragHandle: false,
-      builder: (sheetContext) => Material(
-        color: AppColors.mineCard,
-        borderRadius: const BorderRadius.vertical(
-          top: Radius.circular(AppDimens.mineCardRadius),
-        ),
-        clipBehavior: Clip.antiAlias,
-        child: SafeArea(
-          top: false,
-          child: Column(
-            mainAxisSize: MainAxisSize.min,
-            children: [
-              ListTile(
-                key: const Key('mine-edit-profile'),
-                title: Text(AppLocalizations.of(sheetContext)!.accountProfile),
-                onTap: () => Navigator.pop(sheetContext, 'profile'),
-              ),
-              ListTile(
-                key: const Key('mine-edit-works'),
-                title: Text(AppLocalizations.of(sheetContext)!.myWorks),
-                onTap: () => Navigator.pop(sheetContext, 'works'),
-              ),
-              ListTile(
-                key: const Key('mine-edit-creator'),
-                title: Text(AppLocalizations.of(sheetContext)!.creatorCenter),
-                onTap: () => Navigator.pop(sheetContext, 'creator'),
-              ),
-              ListTile(
-                key: const Key('mine-edit-notices'),
-                title: Text(AppLocalizations.of(sheetContext)!.notices),
-                onTap: () => Navigator.pop(sheetContext, 'notices'),
-              ),
-            ],
-          ),
-        ),
-      ),
-    );
-    if (!mounted || selected == null) return;
-    switch (selected) {
-      case 'profile':
-        _push(const AccountProfilePage());
-      case 'works':
-        _pushPlaceholder(MinePlaceholderKind.works);
-      case 'creator':
-        _pushPlaceholder(MinePlaceholderKind.creator);
-      case 'notices':
-        _push(const NoticesPage());
-    }
-  }
-
   void _push(Widget page) {
     Navigator.of(context).push<void>(MaterialPageRoute(builder: (_) => page));
   }
 
-  void _pushPlaceholder(MinePlaceholderKind kind) {
-    _push(_MinePlaceholderPage(kind: kind));
+  void _pushPlaceholder() {
+    _push(const _MinePlaceholderPage());
   }
 
   Future<void> _openProtected(Widget page) async {
@@ -431,21 +376,13 @@ class _LanguageSheet extends StatelessWidget {
   }
 }
 
-enum MinePlaceholderKind { works, creator, help }
-
 class _MinePlaceholderPage extends StatelessWidget {
-  const _MinePlaceholderPage({required this.kind});
-
-  final MinePlaceholderKind kind;
+  const _MinePlaceholderPage();
 
   @override
   Widget build(BuildContext context) {
     final l10n = AppLocalizations.of(context)!;
-    final title = switch (kind) {
-      MinePlaceholderKind.works => l10n.myWorks,
-      MinePlaceholderKind.creator => l10n.creatorCenter,
-      MinePlaceholderKind.help => l10n.helpFeedback,
-    };
+    final title = l10n.helpFeedback;
     return PlainPageScaffold(
       pageKey: const Key('mine-placeholder-page'),
       backKey: const Key('mine-placeholder-back'),