Implement superadmin audit log for mutations

app/Models/SuperAdminActionLog.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Prunable;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\MorphTo;
+
+class SuperAdminActionLog extends Model
+{
+    /** @use HasFactory<\Database\Factories\SuperAdminActionLogFactory> */
+    use HasFactory;
+
+    use Prunable;
+
+    protected $guarded = [];
+
+    protected $casts = [
+        'metadata' => 'array',
+        'occurred_at' => 'datetime',
+    ];
+
+    public function actor(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'actor_id');
+    }
+
+    public function subject(): MorphTo
+    {
+        return $this->morphTo();
+    }
+
+    public function prunable(): Builder
+    {
+        return static::query()->where('occurred_at', '<=', now()->subMonths(6));
+    }
+}