客户端rsa，冗余清理，bug修复，安卓build问题

Assets/scripts/_runtimecache/PlayerExperienceLedger.cs

@@ -19,6 +19,7 @@ public sealed class PlayerExperienceLedger : MonoBehaviour
     private PlayerExperiencePayload payload;
     private bool initialized;
     private bool loadedFromSave;
+    private bool hasAnyRecoverableLocalState;
     private Player_SO boundPlayerData;
 
     [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.BeforeSceneLoad)]
@@ -75,6 +76,8 @@ public sealed class PlayerExperienceLedger : MonoBehaviour
             return;
         }
 
+        hasAnyRecoverableLocalState = SecureSaveVault.HasAnyRecoverableState("player_experience", "runtime", GetLegacySavePath())
+            || PlayerProgressBackupService.HasPlayerExperienceBackup();
         loadedFromSave = SecureSaveVault.TryLoadJson("player_experience", "runtime", out payload, GetLegacySavePath());
         if (payload == null)
         {
@@ -91,6 +94,8 @@ public sealed class PlayerExperienceLedger : MonoBehaviour
             }
         }
 
+        hasAnyRecoverableLocalState = hasAnyRecoverableLocalState || loadedFromSave;
+
         initialized = true;
     }
 
@@ -104,11 +109,16 @@ public sealed class PlayerExperienceLedger : MonoBehaviour
         InitializeIfNeeded();
         boundPlayerData = playerData;
 
-        if (!loadedFromSave)
+        if (!loadedFromSave && !hasAnyRecoverableLocalState)
         {
-            payload.playerExp = Mathf.Max(0, playerData.player_currentEXP);
+            // 首次启动且无任何可恢复存档：用硬编码默认值（0）建立初始存档，
+            // 不读取 Player_SO 的烘焙经验值，避免打包测试数据污染玩家进度。
+            payload = CreateDefaultPayload();
+            SyncToPlayerData();
             SaveNow();
             loadedFromSave = true;
+            hasAnyRecoverableLocalState = true;
+            NotifyExperienceChanged();
             return;
         }
 
@@ -122,6 +132,13 @@ public sealed class PlayerExperienceLedger : MonoBehaviour
         return payload.playerExp;
     }
 
+    public void SetExperience(int amount)
+    {
+        InitializeIfNeeded();
+        payload.playerExp = Mathf.Max(0, amount);
+        SaveNow();
+    }
+
     public void AddExperience(int amount)
     {
         if (amount == 0)
@@ -181,6 +198,16 @@ public sealed class PlayerExperienceLedger : MonoBehaviour
         NotifyExperienceChanged();
     }
 
+    public void ClearPersistentState()
+    {
+        InitializeIfNeeded();
+        payload = CreateDefaultPayload();
+        SecureSaveVault.Delete("player_experience", "runtime", GetLegacySavePath());
+        PlayerProgressBackupService.ClearPlayerExperienceBackup();
+        SyncToPlayerData();
+        NotifyExperienceChanged();
+    }
+
     private void SyncToPlayerData()
     {
         if (boundPlayerData == null || payload == null)