feat(user): add hire_date and probation_months to sys_user and user admin

Co-authored-by: Cursor <cursoragent@cursor.com>

docs/sql/sys_user_hire_probation.sql

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+-- docs/sql/sys_user_hire_probation.sql
+-- 用户表补齐入职日期、试用期月数（转正套件主数据）
+ALTER TABLE `sys_user`
+  ADD COLUMN `hire_date` date DEFAULT NULL COMMENT '入职日期' AFTER `phone_no`,
+  ADD COLUMN `probation_months` int(11) DEFAULT NULL COMMENT '试用期月数' AFTER `hire_date`;