fix(recommend): 恢复进度拖动前浮层状态

lib/pages/player/widgets/home_feed_overlay.dart

@@ -89,7 +89,7 @@ class HomeFeedOverlay extends StatefulWidget {
   final VoidCallback onBoostEnd;
   final VoidCallback onMore;
   final VoidCallback? onScrubStart;
-  final VoidCallback? onScrubEnd;
+  final ValueChanged<bool>? onScrubEnd;
   final ValueChanged<bool>? onScrubVisibilityChanged;
   final ValueChanged<Duration>? onSeek;
   final int cancelScrubRequest;
@@ -102,14 +102,13 @@ class HomeFeedOverlay extends StatefulWidget {
 
 class _HomeFeedOverlayState extends State<HomeFeedOverlay> {
   bool _scrubbing = false;
-  bool _clearAfterScrub = false;
+  bool _wasVisibleBeforeScrub = true;
 
   @override
   void didUpdateWidget(covariant HomeFeedOverlay oldWidget) {
     super.didUpdateWidget(oldWidget);
     if (oldWidget.cancelScrubRequest != widget.cancelScrubRequest) {
       _scrubbing = false;
-      _clearAfterScrub = false;
     }
   }
 
@@ -138,7 +137,7 @@ class _HomeFeedOverlayState extends State<HomeFeedOverlay> {
           ),
           if (widget.boosting)
             Positioned(left: 0, right: 0, bottom: 20, child: _boostHint())
-          else if (widget.visible && !_scrubbing && !_clearAfterScrub)
+          else if (widget.visible && !_scrubbing)
             Positioned(
               left: _pageHorizontal,
               right: _railRight,
@@ -176,31 +175,19 @@ class _HomeFeedOverlayState extends State<HomeFeedOverlay> {
   }
 
   void _startScrub() {
-    if (!_scrubbing || _clearAfterScrub) {
-      setState(() {
-        _scrubbing = true;
-        _clearAfterScrub = false;
-      });
-    }
+    _wasVisibleBeforeScrub = widget.visible;
+    if (!_scrubbing) setState(() => _scrubbing = true);
     widget.onScrubVisibilityChanged?.call(true);
     widget.onScrubStart?.call();
   }
 
   void _endScrub() {
-    if (_scrubbing || !_clearAfterScrub) {
-      setState(() {
-        _scrubbing = false;
-        _clearAfterScrub = true;
-      });
-    }
-    widget.onScrubEnd?.call();
+    final wasVisible = _wasVisibleBeforeScrub;
+    if (_scrubbing) setState(() => _scrubbing = false);
+    widget.onScrubEnd?.call(wasVisible);
   }
 
   void _handleSurfaceTap() {
-    if (_clearAfterScrub) {
-      setState(() => _clearAfterScrub = false);
-      widget.onScrubVisibilityChanged?.call(false);
-    }
     widget.onTogglePlay();
   }