feat: 初始化知识库系统项目

- 实现基于 Laravel 11 和 Filament 3.X 的文档管理系统
- 添加用户认证和分组管理功能
- 实现文档上传、分类和权限控制
- 集成 Word 文档自动转换为 Markdown
- 集成 Meilisearch 全文搜索引擎
- 实现文档在线预览功能
- 添加安全日志和审计功能
- 完整的简体中文界面
- 包含完整的项目文档和部署指南

技术栈:
- Laravel 11.x
- Filament 3.X
- Meilisearch 1.5+
- Pandoc 文档转换
- Redis 队列系统
- Pest PHP 测试框架

app/Services/SecurityLogger.php

@@ -0,0 +1,105 @@
+<?php
+
+namespace App\Services;
+
+use App\Models\Document;
+use App\Models\User;
+use Illuminate\Support\Facades\Log;
+
+/**
+ * 安全日志记录服务
+ * 用于记录系统中的安全相关事件
+ */
+class SecurityLogger
+{
+    /**
+     * 记录未授权的文档访问尝试
+     * 需求：7.3
+     * 
+     * @param User $user 尝试访问的用户
+     * @param Document $document 被访问的文档
+     * @param string $action 尝试的操作 (view, download, update, delete 等)
+     * @param string|null $ipAddress IP 地址
+     * @return void
+     */
+    public function logUnauthorizedAccess(
+        User $user,
+        Document $document,
+        string $action,
+        ?string $ipAddress = null
+    ): void {
+        $ipAddress = $ipAddress ?? request()->ip();
+        
+        Log::channel('security')->warning('未授权访问尝试', [
+            'event' => 'unauthorized_access',
+            'action' => $action,
+            'user_id' => $user->id,
+            'user_name' => $user->name,
+            'user_email' => $user->email,
+            'document_id' => $document->id,
+            'document_title' => $document->title,
+            'document_type' => $document->type,
+            'document_group_id' => $document->group_id,
+            'ip_address' => $ipAddress,
+            'timestamp' => now()->toIso8601String(),
+            'user_agent' => request()->userAgent(),
+        ]);
+    }
+
+    /**
+     * 记录权限验证失败
+     * 
+     * @param User $user 用户
+     * @param string $resource 资源类型
+     * @param int|null $resourceId 资源 ID
+     * @param string $action 操作
+     * @param string|null $reason 失败原因
+     * @return void
+     */
+    public function logAuthorizationFailure(
+        User $user,
+        string $resource,
+        ?int $resourceId,
+        string $action,
+        ?string $reason = null
+    ): void {
+        Log::channel('security')->warning('权限验证失败', [
+            'event' => 'authorization_failure',
+            'user_id' => $user->id,
+            'user_name' => $user->name,
+            'user_email' => $user->email,
+            'resource' => $resource,
+            'resource_id' => $resourceId,
+            'action' => $action,
+            'reason' => $reason,
+            'ip_address' => request()->ip(),
+            'timestamp' => now()->toIso8601String(),
+            'user_agent' => request()->userAgent(),
+        ]);
+    }
+
+    /**
+     * 记录可疑的访问模式
+     * 
+     * @param User $user 用户
+     * @param string $pattern 可疑模式描述
+     * @param array $context 额外的上下文信息
+     * @return void
+     */
+    public function logSuspiciousActivity(
+        User $user,
+        string $pattern,
+        array $context = []
+    ): void {
+        Log::channel('security')->alert('检测到可疑活动', array_merge([
+            'event' => 'suspicious_activity',
+            'user_id' => $user->id,
+            'user_name' => $user->name,
+            'user_email' => $user->email,
+            'pattern' => $pattern,
+            'ip_address' => request()->ip(),
+            'timestamp' => now()->toIso8601String(),
+            'user_agent' => request()->userAgent(),
+        ], $context));
+    }
+}