fix(home): 修复 feed 更新触发的 build 期 setState

lib/pages/player/player_logic.dart

@@ -3,6 +3,7 @@
 import 'dart:async';
 
 import 'package:flutter/material.dart';
+import 'package:flutter/scheduler.dart';
 import 'package:provider/provider.dart';
 
 import '../../core/data/models/drama.dart';
@@ -108,6 +109,8 @@ class PlayerLogic extends ChangeNotifier {
   bool _latestResetToFirst = false;
   bool _feedUpdateRunning = false;
   bool _hasPendingFeed = false;
+  bool _deferredFeedNotifyScheduled = false;
+  int _feedJumpSerial = 0;
   Future<void> _feedUpdateFuture = Future<void>.value();
 
   /// [start] 是否已经跑过：没跑过时 session/pages 还是 late 未初始化，
@@ -259,7 +262,7 @@ class PlayerLogic extends ChangeNotifier {
     if (dramas.isNotEmpty) pageDrama = dramas.first;
     if (nextQueue.length == 0) {
       session.setRouteVisible(false);
-      notify();
+      _notifyAfterFrameIfNeeded();
       return;
     }
     final keepIndex =
@@ -275,7 +278,7 @@ class PlayerLogic extends ChangeNotifier {
         preloadIndex: nextVisibleIndex(keepIndex),
       );
       _jumpToFeedPage(keepIndex);
-      notify();
+      _notifyAfterFrameIfNeeded();
       return;
     }
     await _replaceSession(
@@ -303,7 +306,7 @@ class PlayerLogic extends ChangeNotifier {
     final nextSession = _createSession(factory, coordinator);
     session = nextSession;
     nextSession.setRouteVisible(active && visibleIndices.isNotEmpty);
-    notify();
+    _notifyAfterFrameIfNeeded();
     await previous.close();
     if (revision != feedRevision || !identical(session, nextSession)) return;
     _jumpToFeedPage(targetIndex);
@@ -312,13 +315,32 @@ class PlayerLogic extends ChangeNotifier {
 
   void _jumpToFeedPage(int index) {
     if (!_started) return;
-    if (pages.hasClients) {
+    final serial = ++_feedJumpSerial;
+    if (SchedulerBinding.instance.schedulerPhase == SchedulerPhase.idle &&
+        pages.hasClients) {
       pages.jumpToPage(index);
       return;
     }
     WidgetsBinding.instance.addPostFrameCallback((_) {
+      if (_disposed || serial != _feedJumpSerial || !_started) return;
       if (pages.hasClients) pages.jumpToPage(index);
     });
+    SchedulerBinding.instance.scheduleFrame();
+  }
+
+  void _notifyAfterFrameIfNeeded() {
+    if (_disposed) return;
+    if (SchedulerBinding.instance.schedulerPhase == SchedulerPhase.idle) {
+      notify();
+      return;
+    }
+    if (_deferredFeedNotifyScheduled) return;
+    _deferredFeedNotifyScheduled = true;
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      _deferredFeedNotifyScheduled = false;
+      if (!_disposed) notify();
+    });
+    SchedulerBinding.instance.scheduleFrame();
   }
 
   /// 服务端续看位置：进播放页时取一次，用于"定位到上次那一集的那一秒"。