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/ProcessableHandlerTrait.php

@@ -0,0 +1,77 @@
+<?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;
+
+use Monolog\ResettableInterface;
+use Monolog\Processor\ProcessorInterface;
+
+/**
+ * Helper trait for implementing ProcessableInterface
+ *
+ * @author Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * @phpstan-import-type Record from \Monolog\Logger
+ */
+trait ProcessableHandlerTrait
+{
+    /**
+     * @var callable[]
+     * @phpstan-var array<ProcessorInterface|callable(Record): Record>
+     */
+    protected $processors = [];
+
+    /**
+     * {@inheritDoc}
+     */
+    public function pushProcessor(callable $callback): HandlerInterface
+    {
+        array_unshift($this->processors, $callback);
+
+        return $this;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function popProcessor(): callable
+    {
+        if (!$this->processors) {
+            throw new \LogicException('You tried to pop from an empty processor stack.');
+        }
+
+        return array_shift($this->processors);
+    }
+
+    /**
+     * Processes a record.
+     *
+     * @phpstan-param  Record $record
+     * @phpstan-return Record
+     */
+    protected function processRecord(array $record): array
+    {
+        foreach ($this->processors as $processor) {
+            $record = $processor($record);
+        }
+
+        return $record;
+    }
+
+    protected function resetProcessors(): void
+    {
+        foreach ($this->processors as $processor) {
+            if ($processor instanceof ResettableInterface) {
+                $processor->reset();
+            }
+        }
+    }
+}