员工信息管理

- 新增员工信息CRUD功能
- 添加员工关联人员管理
- 配置MyBatis Plus审计字段
- 添加OpenSpec规范文档
- 新增测试脚本和数据

Co-Authored-By: Claude <noreply@anthropic.com>

ruoyi-admin/src/main/resources/application-dev.yml

@@ -25,7 +25,7 @@ spring:
         druid:
             # 主库数据源
             master:
-                url: jdbc:mysql://116.62.17.81:3306/discipline-prelim-check?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8
+                url: jdbc:mysql://116.62.17.81:3306/discipline-prelim-check?useUnicode=true&characterEncoding=UTF-8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8
                 username: root
                 password: Kfcx@1234
             # 从库数据源