Fix ping click handler resetting logic properly dividing phase 1 and phase 2

Assets/Scripts/Interaction/PingClickHandler.cs

@@ -84,11 +84,18 @@ public class PingClickHandler : MonoBehaviour
                 var allPings = Object.FindObjectsOfType<PingClickHandler>();
                 foreach (var p in allPings)
                 {
-                    p.ReEnableBorder();
+                    // 只有未被包扎过的 ping 才能重新亮起边框
+                    if (p._modelShown)
+                    {
+                        p.ReEnableBorder();
+                    }
                 }
                 Debug.Log($"[PingClick] {name} 是最后一个 ping，所有边框已重新激活！");
             }
-            Debug.Log($"[PingClick] {name} 模型显示, 激活 {nextPing?.name}");
+            
+            if (nextPing != null) Debug.Log($"[PingClick] {name} 模型显示, 激活 {nextPing.name}");
+            else Debug.Log($"[PingClick] {name} 模型显示, 激活下一个");
+            
             var sm = FindObjectOfType<StepManager>();
             if (sm != null) sm.RecordPingStep(pingIndex, false);
         }
@@ -124,7 +131,27 @@ public class PingClickHandler : MonoBehaviour
         }
     }
 
-    public void ReEnableBorder() { _isBlinking = true; if (_outlineMesh != null) { _outlineMesh.enabled = true; StopAllCoroutines(); StartCoroutine(BlinkOutline()); } }
+    public void ReEnableBorder() 
+    { 
+        // 如果它已经被隐藏（包扎完毕），则不应该重新激活边框！
+        var col = GetComponent<Collider>();
+        if (col != null && !col.enabled) return;
+
+        _isBlinking = true; 
+        if (_outlineMesh != null) 
+        { 
+            _outlineMesh.enabled = true; 
+            StopAllCoroutines(); 
+            StartCoroutine(BlinkOutline()); 
+        } 
+    }
+
+    public void DisableBorder()
+    {
+        _isBlinking = false;
+        if (_outlineMesh != null) _outlineMesh.enabled = false;
+        StopAllCoroutines();
+    }
 
     public void UndoSecondClick() 
     {