fix: clone standard template to user-editable copy before first use

internal/service/auto_config.go

@@ -372,6 +372,31 @@ func (s *AutoConfigService) BuildPipeline(req AutoConfigRequest, deploy bool) (*
     templateName := resolveResult.TemplateName
     result.Composed = resolveResult.Composed
 
+    // ---- 1.5. Clone standard template to user-editable copy ----
+    if strings.HasPrefix(templateName, "std_") {
+        userName := strings.TrimPrefix(templateName, "std_")
+        if _, _, err := s.preview.readAssetJSON("templates", userName); err != nil {
+            raw, _, err := s.preview.readAssetJSON("templates", templateName)
+            if err != nil {
+                result.Error = fmt.Sprintf("读取标准模板失败: %v", err)
+                return result, fmt.Errorf(result.Error)
+            }
+            raw["name"] = userName
+            raw["description"] = "从 " + templateName + " 复制"
+            delete(raw, "source")
+            body, err := marshalConfigJSON(raw)
+            if err != nil {
+                result.Error = fmt.Sprintf("序列化模板失败: %v", err)
+                return result, fmt.Errorf(result.Error)
+            }
+            if err := s.preview.SaveTemplateAsset(userName, stringValue(raw["description"]), string(body)); err != nil {
+                result.Error = fmt.Sprintf("保存用户模板失败: %v", err)
+                return result, fmt.Errorf(result.Error)
+            }
+        }
+        templateName = userName
+    }
+
     // ---- 2. Compose template if needed ----
     if resolveResult.Composed {
         composed, err := s.composeFromFeatureTemplates(req.Features, resolveResult.composePrimary, resolveResult.composeFeatures)