项目基于 Laravel 13，运行环境要求 PHP 8.3+。Composer 按 PHP 8.3 解析依赖，以便 PHP 8.3 和 8.4 环境使用同一份锁文件。
composer install
composer check-platform-reqs
php artisan test测试使用内存 SQLite 隔离论坛和排行榜数据，需要启用 pdo_sqlite 扩展。
先确认 Web 服务和命令行均使用 PHP 8.3+，然后在发布目录执行：
composer install --no-dev --prefer-dist --optimize-autoloader
composer check-platform-reqs --no-dev
php artisan config:cache
php artisan route:cache
php artisan view:cache本次升级不新增数据库迁移。保留现有应用密钥、缓存前缀、会话 Cookie 名称及 PHP 会话序列化格式。缓存驱动优先读取 CACHE_STORE，未设置时兼容原有 CACHE_DRIVER；若同时配置了两者，请确认期望的驱动。缓存负载使用数组和字符串，禁止反序列化 PHP 对象。
管理后台继续使用锁文件中的 encore/laravel-admin 1.8.19。该版本有尚无上游修复版本的文件上传漏洞 CVE-2023-24249，本次框架升级未修复该旧依赖问题；composer audit 会继续报告该项，未关闭安全审计或添加忽略规则。生产环境需单独处理后台依赖，并确保上传目录不执行 PHP。
在替换该后台依赖前，可使用定向更新维护框架及测试依赖（完整 composer update 会被该旧依赖的安全公告阻止）：
composer update "laravel/*" livewire/livewire phpunit/phpunit nunomaduro/collision --with-all-dependencies升级依据：Laravel 12 升级指南、Laravel 13 升级指南。
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