#0024 修复浮动工具箱

XplorePlane/ViewModels/ImageProcessing/PipelineEditorViewModel.cs

@@ -141,22 +141,30 @@ namespace XplorePlane.ViewModels
 
         private void AddOperator(string operatorKey)
         {
+            Serilog.Log.Debug("AddOperator 被调用，operatorKey={OperatorKey}", operatorKey);
+
             if (string.IsNullOrWhiteSpace(operatorKey))
             {
                 StatusMessage = "算子键不能为空";
+                Serilog.Log.Warning("AddOperator 失败：operatorKey 为空");
                 return;
             }
 
             var available = _imageProcessingService.GetAvailableProcessors();
+            Serilog.Log.Debug("可用算子数量：{Count}，包含 {Key}：{Contains}",
+                available.Count(), operatorKey, available.Contains(operatorKey));
+
             if (!available.Contains(operatorKey))
             {
                 StatusMessage = $"算子 '{operatorKey}' 未注册";
+                Serilog.Log.Warning("AddOperator 失败：算子 {Key} 未注册", operatorKey);
                 return;
             }
 
             if (PipelineNodes.Count >= MaxPipelineLength)
             {
                 StatusMessage = $"流水线节点数已达上限（{MaxPipelineLength}）";
+                Serilog.Log.Warning("AddOperator 失败：节点数已达上限 {Max}", MaxPipelineLength);
                 return;
             }
 
@@ -167,6 +175,8 @@ namespace XplorePlane.ViewModels
             };
             LoadNodeParameters(node);
             PipelineNodes.Add(node);
+            Serilog.Log.Information("节点已添加到 PipelineNodes：{Key} ({DisplayName})，当前节点数={Count}",
+                operatorKey, displayName, PipelineNodes.Count);
             StatusMessage = $"已添加算子：{displayName}";
             TriggerDebouncedExecution();
         }