feat(crm): add quote approver setting table and menu SQL

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

backend/scripts/migrate_20260801_crm_quote_approver_setting.sql

@@ -0,0 +1,43 @@
+-- backend/scripts/migrate_20260801_crm_quote_approver_setting.sql
+
+CREATE TABLE IF NOT EXISTS `crm_quote_approver_setting` (
+  `id` varchar(64) NOT NULL COMMENT '主键ID（UUID）',
+  `approver_ids` varchar(1000) NOT NULL DEFAULT '' COMMENT '有序审批人用户ID，逗号分隔',
+  `status` char(1) NOT NULL DEFAULT '0' COMMENT '0启用 1停用',
+  `tenant_no` varchar(64) NOT NULL DEFAULT 'shanxia2.0' COMMENT '租户编号',
+  `order_num` int(11) DEFAULT NULL COMMENT '排序号',
+  `remark` varchar(500) DEFAULT NULL COMMENT '备注',
+  `create_by` varchar(64) DEFAULT NULL COMMENT '创建者',
+  `create_dept_id` varchar(64) NOT NULL DEFAULT '' COMMENT '创建部门',
+  `create_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
+  `update_by` varchar(64) DEFAULT NULL COMMENT '更新者',
+  `update_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
+  `del_flag` smallint(6) NOT NULL DEFAULT '0' COMMENT '删除标志',
+  PRIMARY KEY (`id`),
+  KEY `idx_tenant_no` (`tenant_no`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='CRM-报价单审批人设置（租户级）';
+
+-- 说明：MySQL 5.7 无部分唯一索引；租户「有效一条」由 save_setting upsert 保证，不加 (tenant_no, del_flag) 唯一键。
+
+-- 菜单：报价单审批人设置（CRM 根下，紧挨报价单管理）
+INSERT INTO `sys_menu` (
+  `id`, `menu_name`, `parent_id`, `menu_type`, `path`, `component`, `perms`,
+  `is_frame`, `visible`, `status`, `tenant_no`, `order_num`, `remark`,
+  `create_by`, `create_dept_id`, `create_time`, `update_by`, `update_time`, `del_flag`
+) VALUES (
+  'CRM3000000000000000000000000015',
+  '报价单审批人设置',
+  'CRM00000000000000000000000000001',
+  'C',
+  'quote-approver-setting',
+  '/crm/quote/approver-setting/index',
+  'crm:quote:approverSetting',
+  1, '1', '1', 'shanxia2.0', 55,
+  '租户级默认报价审批人',
+  'system', '', NOW(), NULL, NOW(), 0
+)
+ON DUPLICATE KEY UPDATE
+  `menu_name`=VALUES(`menu_name`),
+  `component`=VALUES(`component`),
+  `perms`=VALUES(`perms`),
+  `path`=VALUES(`path`);