feat: add customer service IM bindings

server/storage/data/migrations/20261013_007_customer_service_im.sql

@@ -0,0 +1,25 @@
+-- 客服系统接入自建 IM：客服席位绑定、C 端会员 IM 身份映射。
+-- im_user_id 使用 NULL 表示尚未绑定，避免唯一索引把多个空值误判为重复。
+
+ALTER TABLE `hg_customer_service`
+  ADD COLUMN `im_tenant_code` varchar(64) NOT NULL DEFAULT 'allrich' COMMENT 'IM租户代码' AFTER `session_mapping`,
+  ADD COLUMN `im_user_id` varchar(64) DEFAULT NULL COMMENT 'IM客服用户ID' AFTER `im_tenant_code`,
+  ADD COLUMN `im_username` varchar(64) DEFAULT NULL COMMENT 'IM客服登录名' AFTER `im_user_id`,
+  ADD UNIQUE KEY `uk_customer_service_im_user` (`im_tenant_code`, `im_user_id`);
+
+CREATE TABLE IF NOT EXISTS `hg_app_member_im_identity` (
+  `id` bigint unsigned NOT NULL AUTO_INCREMENT COMMENT '主键',
+  `tenant_id` bigint unsigned NOT NULL DEFAULT 0 COMMENT '业务租户ID',
+  `member_id` bigint unsigned NOT NULL COMMENT '会员ID',
+  `im_tenant_code` varchar(64) NOT NULL COMMENT 'IM租户代码',
+  `im_user_id` varchar(64) NOT NULL COMMENT 'IM公开用户ID',
+  `im_username` varchar(64) NOT NULL COMMENT 'IM登录名',
+  `sync_status` tinyint NOT NULL DEFAULT 1 COMMENT '同步状态：1正常、2待重试、3失败',
+  `last_error` varchar(500) NOT NULL DEFAULT '' COMMENT '最近同步错误',
+  `created_at` datetime(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) COMMENT '创建时间',
+  `updated_at` datetime(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3) COMMENT '更新时间',
+  PRIMARY KEY (`id`),
+  UNIQUE KEY `uk_member_im_identity_member` (`tenant_id`, `member_id`, `im_tenant_code`),
+  UNIQUE KEY `uk_member_im_identity_user` (`im_tenant_code`, `im_user_id`),
+  KEY `idx_member_im_identity_member` (`member_id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci COMMENT='会员_IM身份映射';

server/storage/data/migrations/20261014_008_member_im_password.sql

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+-- Olons 复用 IM 现有 Basic 登录协议，随机 IM 密码仅以 AES-GCM 密文保存。
+
+ALTER TABLE `hg_app_member_im_identity`
+  ADD COLUMN `im_password_cipher` varchar(512) NOT NULL DEFAULT '' COMMENT 'IM登录密码密文' AFTER `im_username`;