fix(player): 修复返回首页黑屏并恢复预热

test/player/player_fullscreen_test.dart

@@ -109,14 +109,24 @@ void main() {
     final recommendPlayer = find.byKey(const Key('recommend-feed-player'));
     final sourceState = tester.state(recommendPlayer);
     final sourceLogic = _pageLogic(tester, recommendPlayer);
+    await sourceLogic.session.preloadSettled;
+    await tester.pumpAndSettle();
     final sourceIndex = sourceLogic.session.currentIndex;
     final sourceDramaId = sourceLogic.currentDramaId;
     final sourceEpisodeId = sourceLogic.session.currentEpisode.id;
     final feedPlayer = sourceLogic.session.active! as _RouteVideoPlayer;
     final feedPlayCalls = feedPlayer.playCalls;
+    final feedPositionBefore = feedPlayer.controller.value.position;
+    final sourceLiveBefore = sourceLogic.session.livePlayerCount;
+    final sourceCurrentSurface = find.descendant(
+      of: recommendPlayer,
+      matching: find.byKey(const ValueKey('player-render-slot-current')),
+    );
+    final sourceSurfaceState = tester.state(sourceCurrentSurface);
+    final sourceSurfaceElement = tester.element(sourceCurrentSurface);
     expect(sourceDramaId, 'vengeance-demo');
     expect(sourceIndex, 2);
-    expect(sourceLogic.session.livePlayerCount, 1);
+    expect(sourceLiveBefore, greaterThan(1));
 
     await tester.tap(find.byKey(const Key('home-feed-full-series')));
     await tester.pumpAndSettle();
@@ -124,6 +134,8 @@ void main() {
     final fullPlayer = find.byType(PlayerPage);
     final fullLogic = _pageLogic(tester, fullPlayer);
     expect(fullLogic.session, isNot(same(sourceLogic.session)));
+    final fullPlayerPort = fullLogic.session.active! as VideoPlayerPort;
+    expect(fullPlayerPort.controller, isNot(same(feedPlayer.controller)));
     expect(feedPlayer.disposed, isFalse);
     expect(feedPlayer.playing, isFalse);
 
@@ -150,6 +162,8 @@ void main() {
     final requestsBeforeReturn = playback.requests.length;
     await tester.tap(find.byKey(const Key('player-back')));
     await tester.pumpAndSettle();
+    await sourceLogic.session.preloadSettled;
+    await tester.pumpAndSettle();
 
     final currentSurface = find.descendant(
       of: recommendPlayer,
@@ -170,11 +184,15 @@ void main() {
     expect(sourceLogic.session.loading, isFalse);
     expect(sourceLogic.session.activeSlotActivated, isTrue);
     expect(sourceLogic.session.activeSlotPlaying, isTrue);
-    expect(feedPlayer.seekCalls, 1);
+    expect(feedPlayer.seekCalls, 0);
     expect(feedPlayer.playCalls, greaterThan(feedPlayCalls));
     expect(playback.requests.length, requestsBeforeReturn);
-    expect(feedPlayer.controller.value.position, Duration.zero);
+    expect(feedPlayer.controller.value.position, feedPositionBefore);
     expect(feedPlayer.playing, isTrue);
+    expect(sourceLogic.session.livePlayerCount, sourceLiveBefore);
+    expect(sourceLogic.session.livePlayerCount, greaterThan(1));
+    expect(tester.state(currentSurface), same(sourceSurfaceState));
+    expect(tester.element(currentSurface), same(sourceSurfaceElement));
     expect(
       find.descendant(
         of: currentSurface,