feat: historique paiement

app/Models/CreditProduct.php

@@ -32,6 +32,11 @@ class CreditProduct extends Model
         return $this->hasMany(CreditLedgerEntry::class);
     }
 
+    public function paymentTransactions(): HasMany
+    {
+        return $this->hasMany(PaymentTransaction::class);
+    }
+
     public function scopeActive(Builder $query): Builder
     {
         return $query->where('is_active', true);