MRBS 1.12.2 等保2.0二级整改完整提交

包含：登录失败锁定、90天密码有效期、30分钟会话超时、
强制改密、登录审计日志、屏幕水印、企业背景图、
备案信息固定底部、favicon、JS空集合保护、
会话过期体验优化（403 JSON）、display_errors 关闭、
固定 key 根治 Integrity check failed 等全部改动

注意：config.inc.php/.htaccess/.user.ini 含敏感信息，
通过 .gitignore 排除，勿推送到公开仓库。

lib/Monolog/Handler/Handler.php

@@ -0,0 +1,62 @@
+<?php declare(strict_types=1);
+
+/*
+ * This file is part of the Monolog package.
+ *
+ * (c) Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Monolog\Handler;
+
+/**
+ * Base Handler class providing basic close() support as well as handleBatch
+ *
+ * @author Jordi Boggiano <j.boggiano@seld.be>
+ */
+abstract class Handler implements HandlerInterface
+{
+    /**
+     * {@inheritDoc}
+     */
+    public function handleBatch(array $records): void
+    {
+        foreach ($records as $record) {
+            $this->handle($record);
+        }
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function close(): void
+    {
+    }
+
+    public function __destruct()
+    {
+        try {
+            $this->close();
+        } catch (\Throwable $e) {
+            // do nothing
+        }
+    }
+
+    public function __sleep()
+    {
+        $this->close();
+
+        $reflClass = new \ReflectionClass($this);
+
+        $keys = [];
+        foreach ($reflClass->getProperties() as $reflProp) {
+            if (!$reflProp->isStatic()) {
+                $keys[] = $reflProp->getName();
+            }
+        }
+
+        return $keys;
+    }
+}