fix(player): 仅在暂停时显示播放按钮

lib/pages/player/player_view.dart

@@ -208,6 +208,28 @@ class _PlayerPageState extends State<PlayerPage> with WidgetsBindingObserver {
               ),
             ),
           ),
+        if (widget.homeMode && _feedChromeVisible && !logic.chromeHidden)
+          Positioned.fill(
+            child: GestureDetector(
+              key: const Key('home-feed-video-toggle'),
+              behavior: HitTestBehavior.opaque,
+              onTap: () => 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(
@@ -605,7 +627,7 @@ class _PlaybackOverlayState extends State<_PlaybackOverlay> {
   void _onVideoTap() {
     if (!_controlsVisible) {
       setState(() => _controlsVisible = true);
-    } else if (!widget.playing) {
+    } else {
       widget.onTogglePlay();
     }
   }
@@ -632,11 +654,11 @@ class _PlaybackOverlayState extends State<_PlaybackOverlay> {
                 Expanded(
                   child: Stack(
                     children: [
-                      if (widget.playing)
+                      if (!widget.playing)
                         Center(
                           child: PlayerCenterToggle(
                             key: const Key('player-play-toggle'),
-                            playing: true,
+                            playing: false,
                             onTap: widget.onTogglePlay,
                           ),
                         ),