feat: system tools and admin enhancements

app/Models/AuditLog.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+/**
+ * @property int $id
+ * @property int|null $user_id
+ * @property string $action
+ * @property string|null $subject_type
+ * @property int|null $subject_id
+ * @property array|null $metadata
+ * @property string|null $ip_address
+ * @property string|null $user_agent
+ * @property \Illuminate\Support\Carbon|null $created_at
+ * @property \Illuminate\Support\Carbon|null $updated_at
+ * @mixin \Eloquent
+ */
+class AuditLog extends Model
+{
+    protected $fillable = [
+        'user_id',
+        'action',
+        'subject_type',
+        'subject_id',
+        'metadata',
+        'ip_address',
+        'user_agent',
+    ];
+
+    protected $casts = [
+        'metadata' => 'array',
+    ];
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+}