完善业务闭环，实现对轮播图的管理，优化数据库表文件

temp_migration_backup/V31__Add_Statistics_Menu.sql

@@ -0,0 +1,19 @@
+-- ============================================
+-- V31: 新增数据统计菜单
+-- 描述: 为数据统计看板功能创建菜单项
+-- ============================================
+
+-- 数据统计一级菜单（目录）
+INSERT INTO sys_menu (id, menu_name, parent_id, order_num, menu_type, perms, component, status, created_at, updated_at) VALUES
+(504, '数据统计', 0, 7, 'M', NULL, NULL, 1, NOW(), NOW());
+
+-- 数据统计子菜单（页面）
+INSERT INTO sys_menu (id, menu_name, parent_id, order_num, menu_type, perms, component, status, created_at, updated_at) VALUES
+(505, '数据统计看板', 504, 1, 'C', 'business:statistics:view', 'statistics/dashboard/index', 1, NOW(), NOW());
+
+-- 数据统计按钮权限
+INSERT INTO sys_menu (id, menu_name, parent_id, order_num, menu_type, perms, component, status, created_at, updated_at) VALUES
+(5051, '数据统计导出', 505, 1, 'F', 'business:statistics:export', NULL, 1, NOW(), NOW());
+
+-- 重置菜单序列
+SELECT setval('sys_menu_id_seq', (SELECT COALESCE(MAX(id), 1) FROM sys_menu));