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/GampPlay/FishingB/FishingBehaviorB.cs

@@ -1,3 +1,4 @@
+using game.PlayerDataStorage;
 using asap.core;
 using cfg;
 using DG.Tweening;
@@ -70,6 +71,7 @@ public partial class FishingBehaviorB : MonoBehaviour
         catch(Exception e) { game.PlayerDataStorage.PlayerKVGameplayLoop.Fault(e.Message); }
     }
 #endif
+    IPlayerSaveStore saveStore;
     Tables _tables;
     [Header("RELATED OBJECT SETTINGS")]
     [SerializeField]
@@ -213,6 +215,7 @@ public partial class FishingBehaviorB : MonoBehaviour
     }
     public void Init()
     {
+        saveStore = GContext.container.Resolve<IPlayerSaveStore>();
         fishingData = GContext.container.Resolve<FishingData>();
         fishingBehaviorConf = fishingData.fishingBehaviorConf;
         collectingData = GContext.container.Resolve<CollectingData>();
@@ -852,8 +855,8 @@ public partial class FishingBehaviorB : MonoBehaviour
         {
             GContext.Publish(new ConditionTypeEvent(ConditionType.ConsumeEnergy, energy));
         }
-        var success = await PlayFabMgr.Instance.SyncDataImmidiate("NewPlayerDataDic",
-                Newtonsoft.Json.JsonConvert.SerializeObject(commonDatas));
+        var success = (await saveStore.WriteAndConfirmAsync("NewPlayerDataDic",
+                Newtonsoft.Json.JsonConvert.SerializeObject(commonDatas))).Confirmed;
         Debug.Log($"[FishBehaviourB::ConsumeBaitOnPlayfab] {success}");
     }