Move observers to attributes.

app/Models/RecurrenceTransaction.php

@@ -24,20 +24,23 @@ declare(strict_types=1);
 
 namespace FireflyIII\Models;
 
+use FireflyIII\Handlers\Observer\RecurrenceTransactionObserver;
 use FireflyIII\Support\Models\ReturnsIntegerIdTrait;
+use Illuminate\Database\Eloquent\Attributes\ObservedBy;
 use Illuminate\Database\Eloquent\Casts\Attribute;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\Relations\HasMany;
 use Illuminate\Database\Eloquent\SoftDeletes;
 
+#[ObservedBy([RecurrenceTransactionObserver::class])]
 class RecurrenceTransaction extends Model
 {
     use ReturnsIntegerIdTrait;
     use SoftDeletes;
 
     protected $fillable
-                     = [
+        = [
             'recurrence_id',
             'transaction_currency_id',
             'foreign_currency_id',
@@ -88,49 +91,49 @@ class RecurrenceTransaction extends Model
     protected function amount(): Attribute
     {
         return Attribute::make(
-            get: static fn ($value) => (string) $value,
+            get: static fn($value) => (string)$value,
         );
     }
 
     protected function destinationId(): Attribute
     {
         return Attribute::make(
-            get: static fn ($value) => (int) $value,
+            get: static fn($value) => (int)$value,
         );
     }
 
     protected function foreignAmount(): Attribute
     {
         return Attribute::make(
-            get: static fn ($value) => (string) $value,
+            get: static fn($value) => (string)$value,
         );
     }
 
     protected function recurrenceId(): Attribute
     {
         return Attribute::make(
-            get: static fn ($value) => (int) $value,
+            get: static fn($value) => (int)$value,
         );
     }
 
     protected function sourceId(): Attribute
     {
         return Attribute::make(
-            get: static fn ($value) => (int) $value,
+            get: static fn($value) => (int)$value,
         );
     }
 
     protected function transactionCurrencyId(): Attribute
     {
         return Attribute::make(
-            get: static fn ($value) => (int) $value,
+            get: static fn($value) => (int)$value,
         );
     }
 
     protected function userId(): Attribute
     {
         return Attribute::make(
-            get: static fn ($value) => (int) $value,
+            get: static fn($value) => (int)$value,
         );
     }