optimizations

app/Models/NovaCardVersion.php

@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class NovaCardVersion extends Model
+{
+    protected $fillable = [
+        'card_id',
+        'user_id',
+        'version_number',
+        'label',
+        'snapshot_hash',
+        'snapshot_json',
+    ];
+
+    protected $casts = [
+        'version_number' => 'integer',
+        'snapshot_json' => 'array',
+    ];
+
+    public function card(): BelongsTo
+    {
+        return $this->belongsTo(NovaCard::class, 'card_id');
+    }
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+}