```

docs(clipboard): 添加剪贴板功能相关图片资源

添加了两个剪贴板功能的截图文件，用于文档说明和功能展示。
```

Assets/Script/PlayerDataManager.cs

@@ -0,0 +1,60 @@
+using System.Collections.Generic;
+using UnityEngine;
+
+public class PlayerDataManager : MonoBehaviour
+{
+    public static PlayerDataManager Instance { get; private set; }
+
+    [Header("玩家拥有的角色（临时写死）")]
+    public List<PlayerCharacterData> ownedCharacters = new List<PlayerCharacterData>();
+
+    [Header("当前卡组（临时写死）")]
+    public PlayerCharacterData[] currentDeck = new PlayerCharacterData[5];
+
+    private void Awake()
+    {
+        if (Instance != null && Instance != this)
+        {
+            Destroy(gameObject);
+            return;
+        }
+        Instance = this;
+
+        InitializeTempData();
+    }
+
+    private void InitializeTempData()
+    {
+        ownedCharacters.Clear();
+        
+        ownedCharacters.Add(new PlayerCharacterData("human_soldier", 1, 0));
+        ownedCharacters.Add(new PlayerCharacterData("archer", 1, 0));
+
+        currentDeck[0] = ownedCharacters[0];
+        currentDeck[1] = ownedCharacters[1];
+    }
+
+    public PlayerCharacterData GetCharacterData(string characterId)
+    {
+        return ownedCharacters.Find(c => c.characterId == characterId);
+    }
+
+    public PlayerCharacterData GetDeckCharacter(int slot)
+    {
+        if (slot < 0 || slot >= currentDeck.Length)
+        {
+            return null;
+        }
+        return currentDeck[slot];
+    }
+
+    public void UpgradeCharacter(string characterId)
+    {
+        var character = GetCharacterData(characterId);
+        if (character != null)
+        {
+            character.level++;
+            Debug.Log($"角色 {characterId} 升级到 {character.level} 级");
+        }
+    }
+}