```

feat(core): 添加 vars 包导入以支持状态回复功能

在生成逻辑文件时，为处理 StatusReply 类型的输出，
添加了对 "git.apinb.com/bsm-sdk/core/vars" 包的导入。
同时调整了模板中导入语句的顺序和格式。
```

main.go

@@ -181,6 +181,7 @@ func generateLogicFile(gen *protogen.Plugin, file *protogen.File, service *proto
 
 		if strings.ToLower(method.Output.GoIdent.GoName) == "statusreply" {
 			imports = append(imports, "\"time\"")
+			imports = append(imports, "\"git.apinb.com/bsm-sdk/core/vars\"")
 			code = strings.ReplaceAll(code, "{return}", tpl.StatusReplyCode)
 		} else {
 			code = strings.ReplaceAll(code, "{return}", "return ")

tpl/logic.go

@@ -4,9 +4,9 @@ var LogicFile = `package {methodName}
 
 import (
 	"context"
+
 	{import}
 	"git.apinb.com/bsm-sdk/core/service"
-	"git.apinb.com/bsm-sdk/core/vars"
 )
 
 {comment}