feat: ping两轮边框—4个全点完后边框重新亮起提示第二击

- _firstClickCount达4时ReEnableBordersOnAll遍历所有可见ping
- ReEnableBorder重启BlinkOutline协程
- Phase0点击→边框消失→Phase1边框重新闪烁

Assets/Scripts/Interaction/PingClickHandler.cs

@@ -150,5 +150,31 @@ public class PingClickHandler : MonoBehaviour
         StartCoroutine(BlinkOutline());
     }
 
+    public void ReEnableBorder()
+    {
+        if (_outlineRenderer != null)
+        {
+            _outlineRenderer.enabled = true;
+            StopAllCoroutines();
+            StartCoroutine(BlinkOutline());
+        }
+    }
+
+    void ReEnableBordersOnAll()
+    {
+        var mi = GameObject.Find("manInjury");
+        if (mi == null) return;
+        for (int i = 4; i >= 1; i--)
+        {
+            var pt = mi.transform.Find("ping." + i.ToString("D3"));
+            if (pt != null && pt.gameObject.activeSelf)
+            {
+                var h = pt.gameObject.GetComponent<PingClickHandler>();
+                if (h != null) h.ReEnableBorder();
+            }
+        }
+        Debug.Log("[PingClick] 全部首次点击完成，边框已重新亮起");
+    }
+
     public void UndoShow() { gameObject.SetActive(false); }
 }