feat(security): 安保扩展表新增 assigned_user_phone 字段及迁移脚本

建表 SQL 补充 camera_name 和 assigned_user_phone 列；
新增增量迁移脚本 ops_order_security_ext_migrate_v1.2.sql。

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

sql/mysql/ops_order_security_ext.sql

@@ -10,12 +10,14 @@ CREATE TABLE `ops_order_security_ext` (
   `alarm_id`              varchar(64)   DEFAULT NULL COMMENT '关联告警ID',
   `alarm_type`            varchar(50)   DEFAULT NULL COMMENT '告警类型: intrusion/leave_post/fire/fence',
   `camera_id`             varchar(64)   DEFAULT NULL COMMENT '摄像头ID',
+  `camera_name`           varchar(128)  DEFAULT NULL COMMENT '摄像头名称',
   `roi_id`                varchar(64)   DEFAULT NULL COMMENT 'ROI区域ID',
   `image_url`             varchar(512)  DEFAULT NULL COMMENT '告警截图URL',
 
   -- 处理人（冗余快照，创建时写入）
   `assigned_user_id`      bigint        DEFAULT NULL COMMENT '处理人user_id',
   `assigned_user_name`    varchar(100)  DEFAULT NULL COMMENT '处理人姓名',
+  `assigned_user_phone`   varchar(20)   DEFAULT NULL COMMENT '处理人手机号',
   `assigned_team_id`      bigint        DEFAULT NULL COMMENT '班组ID',
 
   -- 处理结果（完成时提交）

sql/mysql/ops_order_security_ext_migrate_v1.2.sql

@@ -0,0 +1,13 @@
+-- ----------------------------
+-- Incremental migration for ops_order_security_ext
+-- Version: v1.2.0 (2026-03-25)
+-- Description: Add camera_name and assigned_user_phone columns
+-- ----------------------------
+
+ALTER TABLE `ops_order_security_ext`
+    ADD COLUMN `camera_name` varchar(128) DEFAULT NULL COMMENT '摄像头名称'
+    AFTER `camera_id`;
+
+ALTER TABLE `ops_order_security_ext`
+    ADD COLUMN `assigned_user_phone` varchar(20) DEFAULT NULL COMMENT '处理人手机号'
+    AFTER `assigned_user_name`;