chore: update project files

demo/update_admin_user.sql

@@ -0,0 +1,13 @@
+-- 将 984523799@qq.com 设置为管理员
+-- 执行此脚本前请确保已连接到正确的数据库
+
+-- 更新用户角色为管理员
+UPDATE users
+SET role = 'ROLE_ADMIN',
+    updated_at = NOW()
+WHERE email = '984523799@qq.com';
+
+-- 验证更新结果
+SELECT id, username, email, role, points, is_active, created_at, updated_at
+FROM users
+WHERE email = '984523799@qq.com';