feat(ui): 重做三 Tab 首页与发现页

lib/pages/mine/mine_view.dart

@@ -115,7 +115,7 @@ class _MyPageState extends State<MyPage> {
       bottom: !widget.embedded,
       child: Column(
         children: [
-          if (!widget.profile) _topBar(l10n),
+          _topBar(l10n),
           Expanded(
             child: FutureBuilder<Duration?>(
               future: logic.position,
@@ -132,11 +132,11 @@ class _MyPageState extends State<MyPage> {
                 return ListView(
                   padding: const EdgeInsets.fromLTRB(16, 8, 16, 20),
                   children: [
-                    if (widget.profile)
-                      ..._accountPage(l10n)
-                    else ...[
-                      _library(l10n, position, total, fraction),
-                    ],
+                    if (widget.profile) ..._accountPage(l10n),
+                    if (widget.profile) const SizedBox(height: 24),
+                    _library(l10n, position, total, fraction),
+                    if (!widget.profile) const SizedBox(height: 24),
+                    if (!widget.profile) ..._accountPage(l10n),
                     const SizedBox(height: 24),
                     Center(
                       child: Text(
@@ -174,7 +174,7 @@ class _MyPageState extends State<MyPage> {
           const Icon(Icons.play_circle_fill_rounded, color: _accent, size: 27),
           const SizedBox(width: 7),
           Text(
-            l10n.myListTab,
+            widget.profile ? l10n.myTab : l10n.myListTab,
             style: const TextStyle(
               fontSize: AppDimens.pageTitle,
               fontWeight: FontWeight.w800,
@@ -548,6 +548,7 @@ class _MyPageState extends State<MyPage> {
                   selected: logic.section == index,
                   button: true,
                   child: InkWell(
+                    key: Key('mine-library-tab-$index'),
                     onTap: () {
                       logic.selectSection(index);
                       // 打开收藏页签时以服务端为准刷新一次（多设备/多入口都能对齐）