refactor: 彻底清除所有openhis痕迹

- 重命名目录: openhis-server-new → healthlink-his-server
- 重命名目录: openhis-ui-vue3 → healthlink-his-ui
- 重命名Java类: OpenHisApplication → HealthLinkHisApplication
- 重命名Java类: OpenHisMiniApp → HealthLinkHisMiniApp
- 重命名组件目录: OpenHis → HealthLinkHis
- 重命名样式文件: openhis.scss → healthlink-his.scss
- 重命名配置: nginx-openhis.conf → nginx-healthlink-his.conf
- 更新所有源码引用 (0个残留)
- 更新所有文档/脚本/配置中的引用

backup/vxetable-migration-20260602/package.json

@@ -1,8 +1,8 @@
 {
-  "name": "openhis",
+  "name": "healthlink-his",
   "version": "3.8.10",
-  "description": "OpenHIS管理系统",
-  "author": "OpenHIS",
+  "description": "HealthLink-HIS管理系统",
+  "author": "HealthLink-HIS",
   "license": "MIT",
   "type": "module",
   "scripts": {