fix(player): 规范预热回收日志并抓帧过渡

test/recommend/recommend_sections_test.dart

@@ -470,6 +470,7 @@ void main() {
     await _pumpRecommend(tester);
 
     await tester.tap(find.byKey(const Key('home-feed-series-name')));
+    await _waitForFullPlayer(tester);
     await tester.pumpAndSettle();
     expect(find.byType(PlayerPage).last, findsOneWidget);
     expect(
@@ -484,6 +485,7 @@ void main() {
     expect(find.byKey(const Key('recommend-tab-recommend')), findsOneWidget);
 
     await tester.tap(find.byKey(const Key('home-feed-full-series')));
+    await _waitForFullPlayer(tester);
     await tester.pumpAndSettle();
     expect(find.byType(PlayerPage).last, findsOneWidget);
     expect(
@@ -550,6 +552,17 @@ void main() {
   });
 }
 
+Future<void> _waitForFullPlayer(WidgetTester tester) async {
+  for (var attempt = 0; attempt < 120; attempt++) {
+    await tester.runAsync(
+      () => Future<void>.delayed(const Duration(milliseconds: 10)),
+    );
+    await tester.pump(const Duration(milliseconds: 16));
+    if (find.byType(PlayerPage).evaluate().length > 1) return;
+  }
+  fail('full player route was not pushed after frame capture');
+}
+
 Future<void> _pumpRecommend(WidgetTester tester) async {
   tester.view.physicalSize = const Size(390, 844);
   tester.view.devicePixelRatio = 1;