feat(upserver): 保存M2客户端KV迁移至本人统计写检查点

保存独立KV用户服务、固定会话存档与原业务接线，以及C3d资料缓存和C3e本人统计写。
保留原PF/AGG路线、业务公式和时序；榜单读取、好友资料、公告、匹配及首场景闸仍待完成。

验证：ServiceHost两条件各33组646断言；Unity CLI Loop编译0错误269警告。
包含相关方案、评审裁决、测试及状态文档。未操作服务器、正式账号或打包。

Client/Assets/Scripts/UI/OfferSweep/OfferSweepManager.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using asap.core;
 using cfg;
 using GameCore;
@@ -14,6 +14,8 @@ namespace Assets.Scripts.UI.OfferSweep
 {
     public class OfferSweepManager : IDisposable,IOrderReplenishment
     {
+    readonly game.PlayerDataStorage.IPlayerSaveStore saveStore = GContext.container.Resolve<game.PlayerDataStorage.IPlayerSaveStore>();
+
         public OfferSweepManager()
         {
             GContext.OnEvent<TargetEvent>().Subscribe(OnEvent_TargetEvent).AddTo(Disposables);
@@ -43,7 +45,7 @@ namespace Assets.Scripts.UI.OfferSweep
 
         private OfferSweepPackData GetCachedData()
         {
-            var dataStr = PlayFabMgr.Instance.GetLocalData(nameof(OfferSweepPackData));
+            var dataStr = saveStore.Read(nameof(OfferSweepPackData)).ValueOrThrow();
 #if UNITY_EDITOR
             Debug.Log($"jsd OfferSweepPackData LoadData sData {dataStr}");
 #endif
@@ -99,7 +101,7 @@ namespace Assets.Scripts.UI.OfferSweep
 #if UNITY_EDITOR
             Debug.Log($"jsd OfferSweepPackData SaveData {JsonConvert.SerializeObject(SweepPackData)}");
 #endif
-            PlayFabMgr.Instance.UpdateUserDataValue(nameof(OfferSweepPackData), JsonConvert.SerializeObject(SweepPackData));
+            saveStore.Write(nameof(OfferSweepPackData), JsonConvert.SerializeObject(SweepPackData)).RequireAccepted();
         }
 
         public FishingEvent GetCurrentLoopEvent()