修了不少东西

Assets/scripts/_runtimecache/EquipmentConsumableLedger.cs

@@ -10,6 +10,8 @@ public sealed class EquipmentConsumableLedger : MonoBehaviour
 
     private readonly Dictionary<string, int> countsByKey = new Dictionary<string, int>(StringComparer.Ordinal);
     private bool initialized;
+    private bool loadedFromSave;
+    private bool hasAnyRecoverableLocalState;
 
     [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.BeforeSceneLoad)]
     private static void Bootstrap()
@@ -65,11 +67,18 @@ public sealed class EquipmentConsumableLedger : MonoBehaviour
         }
 
         EquipmentConsumableLedgerPayload payload;
-        EquipmentConsumableLedgerStorage.TryLoad(out payload);
+        loadedFromSave = EquipmentConsumableLedgerStorage.TryLoad(out payload);
+        hasAnyRecoverableLocalState = loadedFromSave || EquipmentConsumableLedgerStorage.HasAnyRecoverableState();
         RebuildFromPayload(payload);
         initialized = true;
         SyncMirrorCounts();
-        SaveNow();
+
+        // If an older save exists but cannot be read right now, do not overwrite it
+        // with an empty default payload during startup.
+        if (loadedFromSave || !hasAnyRecoverableLocalState)
+        {
+            SaveNow();
+        }
     }
 
     public int GetCount(EquipmentConsumableKind kind)
@@ -126,6 +135,12 @@ public sealed class EquipmentConsumableLedger : MonoBehaviour
             InitializeIfNeeded();
         }
 
+        if (!loadedFromSave && hasAnyRecoverableLocalState)
+        {
+            Debug.LogWarning("[EquipmentConsumableLedger] Recoverable save state exists but could not be loaded; skip saving to avoid overwriting older material data.");
+            return;
+        }
+
         SyncMirrorCounts();
         EquipmentConsumableLedgerStorage.TrySave(BuildPayload());
     }