必填参数显示出来

UI/DrawingParamsForm.cs

@@ -309,6 +309,39 @@ namespace CadParamPluging.UI
                     AddField(def, valueKey, labelText, tip);
                 }
             }
+
+            // 收集所有已绑定的参数 key
+            var boundKeys = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
+            foreach (var key in (_schema?.SelectedParamKeys ?? new List<string>()))
+            {
+                if (!string.IsNullOrWhiteSpace(key))
+                {
+                    boundKeys.Add(key.Trim());
+                }
+            }
+            foreach (var b in noteBindings)
+            {
+                var key = (b.ParamKey ?? string.Empty).Trim();
+                if (key.Length > 0)
+                {
+                    boundKeys.Add(key);
+                }
+            }
+
+            // 查找必填但未绑定的参数
+            var unboundRequiredDefs = (_catalog.Items ?? Enumerable.Empty<ParamDefinition>())
+                .Where(p => p != null && p.Required && !boundKeys.Contains(p.Key ?? string.Empty))
+                .OrderBy(p => p.Order)
+                .ToList();
+
+            if (unboundRequiredDefs.Count > 0)
+            {
+                AddSectionHeader("其他必填参数");
+                foreach (var def in unboundRequiredDefs)
+                {
+                    AddField(def, def.Key, def.Label, null);
+                }
+            }
         }
 
         private string BuildOccurrenceTip(int placeholderIndex)