first

app/Models/AuditLog.php

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+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class AuditLog extends Model
+{
+    public $timestamps = false;
+
+    protected $fillable = [
+        'actor_user_id',
+        'actor_role',
+        'action',
+        'subject_type',
+        'subject_id',
+        'target_user_id',
+        'project_id',
+        'old_values',
+        'new_values',
+        'justification',
+        'ip_address',
+        'user_agent',
+        'created_at',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'old_values' => 'array',
+            'new_values' => 'array',
+            'created_at' => 'datetime',
+        ];
+    }
+
+    public function actor(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'actor_user_id');
+    }
+
+    public function targetUser(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'target_user_id');
+    }
+}