Lower sales platform fee from 15% to 9%.

Align merchant settlement and booking checkout with the updated Ladill Pay sales tier.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/Models/QrSaleOrder.php

@@ -27,7 +27,7 @@ class QrSaleOrder extends Model
         self::FULFILLMENT_CANCELLED => 'Cancelled',
     ];
 
-    public const PLATFORM_FEE_RATE = 0.15;
+    public const PLATFORM_FEE_RATE = 0.09;
 
     protected $fillable = [
         'pay_order_id',

app/Services/Merchant/MerchantSaleService.php

@@ -297,7 +297,7 @@ class MerchantSaleService
         }
 
         $paidAmount = round(($data['amount'] ?? 0) / 100, 2);
-        $platformFee = round($paidAmount * 0.15, 2);
+        $platformFee = round($paidAmount * QrSaleOrder::PLATFORM_FEE_RATE, 2);
         $merchantAmount = round($paidAmount - $platformFee, 2);
 
         $booking->update([