update

backend/app/Model/OperationLog.php

@@ -0,0 +1,42 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Model;
+
+/**
+ * 操作日志模型
+ *
+ * 记录关键业务操作（用户管理、权限变更、登录退出）的审计追踪
+ *
+ * @property int $id
+ * @property int $user_id
+ * @property string $action
+ * @property string $target_type
+ * @property int|null $target_id
+ * @property string $description
+ * @property array|null $detail
+ * @property string|null $ip
+ * @property \Carbon\Carbon $created_at
+ */
+class OperationLog extends Model
+{
+    protected ?string $table = 'operation_logs';
+
+    public bool $timestamps = true;
+
+    public const UPDATED_AT = null;
+
+    protected array $fillable = [
+        'user_id', 'action', 'target_type', 'target_id',
+        'description', 'detail', 'ip',
+    ];
+
+    protected array $casts = [
+        'id' => 'integer',
+        'user_id' => 'integer',
+        'target_id' => 'integer',
+        'detail' => 'json',
+        'created_at' => 'datetime',
+    ];
+}