change the migration columns and add form request

app/Models/AzmayeshField.php

@@ -5,6 +5,7 @@ namespace App\Models;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsToMany;
+use Illuminate\Database\Eloquent\Casts\Attribute;
 
 class AzmayeshField extends Model
 {
@@ -12,8 +13,15 @@ class AzmayeshField extends Model
 
     protected $guarded = [];
 
+    protected function option(): Attribute
+    {
+        return Attribute::make(
+            get: fn ($value) => json_decode($value),
+        );
+    }
+
     public function azmayeshTypes(): BelongsToMany
     {
-        return $this->belongsToMany(AzmayeshType::class);
+        return $this->belongsToMany(AzmayeshType::class, 'azmayesh_field_azmayesh_type');
     }
 }