feat: Implement square shaft free forge drawing functionality, including its generator, drawer, and parameter UI, and add .editorconfig.完善了方轴的画法

.editorconfig

@@ -0,0 +1,4 @@
+root = true
+
+[*.cs]
+charset = utf-8-bom

Cad/Drawers/ShaftRawFreeForgeSquareShaftGenerator.cs

@@ -38,7 +38,9 @@ namespace CadParamPluging.Cad
 
         public void Draw(CadContext ctx, ParamBag bag, TemplateParams templateParams, Point3d center, double scaleFactor)
         {
+            System.Diagnostics.Debug.WriteLine($"[SquareShaftGenerator] Draw() 被调用，准备调用 Drawer");
             ShaftRawFreeForgeSquareShaftDrawer.Draw(ctx, bag, center, scaleFactor);
+            System.Diagnostics.Debug.WriteLine($"[SquareShaftGenerator] Drawer 调用完成");
         }
     }
 }

UI/ParamDrawingPanel.cs

@@ -236,6 +236,9 @@ namespace CadParamPluging.UI
                     AppendLog($"未找到该模板的图纸生成逻辑（TemplateKey={templateKey}）。请先实现对应模板生成器。");
                     return;
                 }
+                
+                // 调试日志：显示找到的生成器类型
+                AppendLog($"[调试] 已找到生成器: {generator.GetType().Name}, TemplateKey={templateKey}");
 
                 var catalog = ParamCatalogStore.Load();
                 CadParamPluging.Common.ParamBag bag;
@@ -442,14 +445,19 @@ namespace CadParamPluging.UI
                     // Let's just log specific keys we suspect.
                     AppendLog($"Bag Keys check: OD1={bag.GetDoubleOrNull("OuterDiameter1")}, H1={bag.GetDoubleOrNull("Height1")}");
                     
+                    // 方轴参数检查
+                    AppendLog($"[方轴参数] Size1={bag.GetDoubleOrNull("SquareShaftSize1")}, Size2={bag.GetDoubleOrNull("SquareShaftSize2")}, Size3={bag.GetDoubleOrNull("SquareShaftSize3")}");
+                    
                     // 根据模板参数绘制半剖视图，居中放置于原图纸位置
                     // 使用特征驱动模式：根据参数存在性动态绘制对应特征
+                    AppendLog($"[绘图] 准备调用 generator.Draw, scaleFactor={scaleFactor}");
                     generator.Draw(
                         ctx,
                         bag,
                         tplParams,
                         removeResult.OriginalCenter,
                         scaleFactor);
+                    AppendLog($"[绘图] generator.Draw 调用完成");
                     
                     // Force Zoom Extents to ensure visibility
                     try { doc.SendStringToExecute("._ZOOM _E ", true, false, false); } catch { }