feat(education): add module application shell

sql/mysql/education/000-education-rollback.sql

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+-- =============================================
+-- Education 模块种子数据回滚
+-- =============================================
+
+DELETE FROM `system_menu`
+WHERE `id` = 6801 AND `permission` = 'education:capability' AND `parent_id` = 6800;
+DELETE FROM `system_menu`
+WHERE `id` = 6800 AND `path` = '/education' AND `name` = '教育管理';

sql/mysql/education/000-education-schema.sql

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+-- =============================================
+-- Education 模块 DDL
+-- 当前为应用外壳阶段，无业务表；后续票据在此追加 CREATE TABLE 语句。
+-- =============================================
+-- 占位：education 模块当前无业务表

sql/mysql/education/000-education-seed.sql

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+-- =============================================
+-- Education 模块种子数据
+-- 菜单 ID 范围：6800-6899
+-- 权限标识前缀：education:
+-- 可重复执行；角色授权由管理员按租户完成
+-- =============================================
+
+INSERT INTO `system_menu` (`id`, `name`, `permission`, `type`, `sort`, `parent_id`, `path`, `icon`, `component`, `component_name`, `status`, `visible`, `keep_alive`, `always_show`, `creator`, `create_time`, `updater`, `update_time`, `deleted`)
+SELECT 6800, '教育管理', '', 1, 50, 0, '/education', 'ep:school', NULL, NULL, 0, b'1', b'1', b'1', 'admin', NOW(), 'admin', NOW(), b'0'
+WHERE NOT EXISTS (SELECT 1 FROM `system_menu` WHERE `id` = 6800);
+
+INSERT INTO `system_menu` (`id`, `name`, `permission`, `type`, `sort`, `parent_id`, `path`, `icon`, `component`, `component_name`, `status`, `visible`, `keep_alive`, `always_show`, `creator`, `create_time`, `updater`, `update_time`, `deleted`)
+SELECT 6801, '能力查询', 'education:capability', 3, 1, 6800, '', '', '', NULL, 0, b'1', b'1', b'1', 'admin', NOW(), 'admin', NOW(), b'0'
+WHERE EXISTS (SELECT 1 FROM `system_menu` WHERE `id` = 6800 AND `path` = '/education' AND `deleted` = b'0')
+  AND NOT EXISTS (SELECT 1 FROM `system_menu` WHERE `id` = 6801);