fix(player): 保持清屏并常驻中心按钮

lib/pages/player/player_view.dart

@@ -128,9 +128,6 @@ class _PlayerPageState extends State<PlayerPage> with WidgetsBindingObserver {
         itemCount: indices.length,
         onPageChanged: (position) {
           final index = indices[position];
-          if (widget.homeMode && !_feedChromeVisible) {
-            setState(() => _feedChromeVisible = true);
-          }
           widget.onDramaChanged?.call(logic.queue.entryAt(index).drama);
           unawaited(logic.selectEpisode(index));
         },
@@ -221,18 +218,6 @@ class _PlayerPageState extends State<PlayerPage> with WidgetsBindingObserver {
                   logic.session.setUserWantsPlay(!logic.session.userWantsPlay),
             ),
           ),
-        if (widget.homeMode &&
-            _feedChromeVisible &&
-            !logic.chromeHidden &&
-            selected &&
-            !logic.session.userWantsPlay)
-          Center(
-            child: PlayerCenterToggle(
-              key: const Key('home-feed-center-play'),
-              playing: false,
-              onTap: () => logic.session.setUserWantsPlay(true),
-            ),
-          ),
         // 票据三态之一：起播前正在向后端要签名地址
         if (selected && logic.ticketLoading)
           const Center(
@@ -466,6 +451,15 @@ class _PlayerPageState extends State<PlayerPage> with WidgetsBindingObserver {
               ),
             ),
           ),
+        if (widget.homeMode && !logic.chromeHidden && selected)
+          Center(
+            child: PlayerCenterToggle(
+              key: const Key('home-feed-center-play'),
+              playing: logic.session.userWantsPlay,
+              onTap: () =>
+                  logic.session.setUserWantsPlay(!logic.session.userWantsPlay),
+            ),
+          ),
       ],
     );
   }
@@ -669,14 +663,6 @@ class _PlaybackOverlayState extends State<_PlaybackOverlay> {
                 Expanded(
                   child: Stack(
                     children: [
-                      if (!widget.playing)
-                        Center(
-                          child: PlayerCenterToggle(
-                            key: const Key('player-play-toggle'),
-                            playing: false,
-                            onTap: widget.onTogglePlay,
-                          ),
-                        ),
                       const Positioned(
                         right: 10,
                         bottom: 14,
@@ -787,6 +773,13 @@ class _PlaybackOverlayState extends State<_PlaybackOverlay> {
                 onPressed: () => setState(() => _controlsVisible = true),
               ),
             ),
+          Center(
+            child: PlayerCenterToggle(
+              key: const Key('player-play-toggle'),
+              playing: widget.playing,
+              onTap: widget.onTogglePlay,
+            ),
+          ),
         ],
       ),
     );