antissoft / lvqianmeiye_ERP

…ce LqEventUser DTO with StoreId; implement Excel import functionality for LqEvent users; add UploadBase64Image method in FileService for user signature uploads.

…ndex.vue for improved layout and consistency; update LqKhxx DTOs and services for better structure and clarity.

…赖注入，改进LqKdKdjlbService以生成并发送开单记录字符串到企业微信群，更新package.json以支持legacy模式。